anonymous
  • anonymous
How would I solve 75+3x^2?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
perhaps you mean 75+3x^2 = 0?
hartnn
  • hartnn
to solve u need some equality....
anonymous
  • anonymous
yes thats what I mean

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anonymous
  • anonymous
Ok, rearrange to get x on its own: 3x^2 = -75 x^2 = -25 x = √-25 which is not a real number
anonymous
  • anonymous
Did you mean 75x+3x^2 = 0?
lgbasallote
  • lgbasallote
let's just mean everything shall we
lgbasallote
  • lgbasallote
i think it's just asking to factor out 75 + 3x^2
anonymous
  • anonymous
Start with the given expression Factor out the GCF 3 Now let's focus on the inner expression ------------------------------------------------------------ Looking at we can see that the first term is and the last term is where the coefficients are 1 and 25 respectively. Now multiply the first coefficient 1 and the last coefficient 25 to get 25. Now what two numbers multiply to 25 and add to the middle coefficient 10? Let's list all of the factors of 25: Factors of 25: 1,5 -1,-5 ...List the negative factors as well. This will allow us to find all possible combinations These factors pair up and multiply to 25 1*25 5*5 (-1)*(-25) (-5)*(-5) note: remember two negative numbers multiplied together make a positive number Now which of these pairs add to 10? Lets make a table of all of the pairs of factors we multiplied and see which two numbers add to 10
lgbasallote
  • lgbasallote
lol looks the same answer as the one here http://www.algebra.com/algebra/homework/Polynomials-and-rational-expressions/Polynomials-and-rational-expressions.faq.question.142171.html i think @jim_thompson5910 wrote it =)))
lgbasallote
  • lgbasallote
and fyi @justindrake that problem is so different from this one =))))
ParthKohli
  • ParthKohli
What a coincidence! Wow! Jim_Thompson!
anonymous
  • anonymous
@lgbasallote My Answer Is Right
anonymous
  • anonymous
the problem reads 75+3x^2=0. so i move the 3x^2 to the other side is that what you said?
lgbasallote
  • lgbasallote
*your* answer?
anonymous
  • anonymous
@lgbasallote yeah
anonymous
  • anonymous
What? ^
anonymous
  • anonymous
So go with @justindrake's answer?
anonymous
  • anonymous
yeah my ans is right
anonymous
  • anonymous
Okay is it the one where you typed the paragraph?
anonymous
  • anonymous
Can you type how I'm supposed to start it plz?
farmdawgnation
  • farmdawgnation
@justindrake Please don't copy and paste answers from other sites and make small tweaks. Thanks.
anonymous
  • anonymous
@farmdawgnation im not copying and pasteing the ans from website im copying it from my brain i dont know that this site have ans to

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