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anonymous

  • 5 years ago

5x^2-7x=0

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  1. anonymous
    • 5 years ago
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    we need help badly :/

  2. anonymous
    • 5 years ago
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    x=7/5 , 0

  3. anonymous
    • 5 years ago
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    how did you get that answer?

  4. amistre64
    • 5 years ago
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    we?? need help?

  5. anonymous
    • 5 years ago
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    factor out x to get x(5x-7)=0 this means that either x=0 or 5x-7 =0

  6. amistre64
    • 5 years ago
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    factor the equation (x)(5x-7) = 0 we know that anything times 0 = 0 right?

  7. anonymous
    • 5 years ago
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    yes

  8. amistre64
    • 5 years ago
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    0(5x-7) = 0 (x)(0) = 0 2 options

  9. amistre64
    • 5 years ago
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    makes sense?

  10. amistre64
    • 5 years ago
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    yall must be typing on Internet explorer :)

  11. anonymous
    • 5 years ago
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    a little were confused cause of the squared

  12. anonymous
    • 5 years ago
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    5x^2-7x=0 you factor out x. So you get: x(5x-7)=0. Then you have two solutions which are: x=0 and 5x-7=0 you have x=0 solve. now you have to solve the second part which is 5x-7=0, which we get 5x=7..then we divide by 5 to 7 which we end up getting x=7/5. so your answers are x=0 and x=7/5

  13. anonymous
    • 5 years ago
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    yeah we are but we are trying to do the answer

  14. amistre64
    • 5 years ago
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    i had to switch to firefox; less buggy in this site

  15. anonymous
    • 5 years ago
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    chrome is best for this site IMO

  16. anonymous
    • 5 years ago
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    yayay! thank you! we got the right answer then

  17. amistre64
    • 5 years ago
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    yay!!! :)

  18. anonymous
    • 5 years ago
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    yay! I share your joy

  19. anonymous
    • 5 years ago
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    lol

  20. amistre64
    • 5 years ago
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    i tell my kids when they get math wrong. i say, quit breaking the math...when its gone thats it :)

  21. anonymous
    • 5 years ago
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    we dont have anyone in out house hold that knows math

  22. anonymous
    • 5 years ago
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    am a math major am about to graduate already from college if any help with with basic proof and from calculus four to and down ill be happy to help.

  23. amistre64
    • 5 years ago
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    still using an abacus eh :)

  24. anonymous
    • 5 years ago
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    can you help us on the next one?

  25. amistre64
    • 5 years ago
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    there more?

  26. anonymous
    • 5 years ago
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    yes

  27. amistre64
    • 5 years ago
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    ok......but they better be easy ;)

  28. amistre64
    • 5 years ago
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    gotta let my sister use her facebook ...... ciao :)

  29. anonymous
    • 5 years ago
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    5x^2-8x+3=0

  30. amistre64
    • 5 years ago
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    x- /5 ; x- /5 5(3) = 15 1,15; 3,5 = 8 x- 3/5 ; x- 5/5 5x-3 ; x-1 x = 1 and x = 3/5

  31. amistre64
    • 5 years ago
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    georgia math lol

  32. amistre64
    • 5 years ago
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    sister got distracted by a butterfly ...hurry up

  33. anonymous
    • 5 years ago
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    i dont get it

  34. amistre64
    • 5 years ago
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    dont get what?

  35. anonymous
    • 5 years ago
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    5x^2-8x+3=0 first we have to factor the whole problem which we get (5x-3)(x-1)=0, then we have again two solutions which are 5x-3=0 and x-1=0 now lets solve 5x-3=0. which we get 5x=3 and then divive 5 to 3 which we get x=3/5 now we solve for x-1=0. we get x=1. we are done so out two solutions are x=3/5 and x=1

  36. amistre64
    • 5 years ago
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    my method or the answer?

  37. anonymous
    • 5 years ago
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    your method

  38. amistre64
    • 5 years ago
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    lol..... if it can factor into integers; my method will get to it everytime :)

  39. anonymous
    • 5 years ago
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    LOL THEIR SWARMING THE PRETTY GIRL XD

  40. amistre64
    • 5 years ago
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    i use the clues that are given in the equation to narrow my options

  41. anonymous
    • 5 years ago
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    3y^2+5y=2

  42. amistre64
    • 5 years ago
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    ihave an option; either divide that 5 out to begin with or do it in the end; i choose to wait til the end

  43. anonymous
    • 5 years ago
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    newton yuou explain better then my teacher

  44. amistre64
    • 5 years ago
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    3y^2 +5y -2 = 0 split it up into its form..... set it up y y the last number has a sign that tells yuou to add or subtract... -2 means subtract gonna be a + and a - y+ y- gonna need to divide that three but do it at the end... y+ /3 ; y- /3

  45. amistre64
    • 5 years ago
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    multiply 1st and last number to get option for the middle 3(2) = 6....factor the 6 1,6 well, 6-1=5 so thats what are middle number needs to be y+6/3 ; y-1/3 reduce

  46. amistre64
    • 5 years ago
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    y+2 ; y-1/3 we can stop here to get the zeros or continue to the final form...if theres a fraction left over, stick the bottom of it in front like this: y+2 ; 3y-1 y = -2; y= 1/3

  47. amistre64
    • 5 years ago
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    if it dont factor like this; you should either complete the square method; or quadratic formula ..

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