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Alex_Mattucci

  • one year ago

What does it mean to write the expression x^2 + 2x - 24 as a product of two linear expressions?

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  1. Nnesha
    • one year ago
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    factor

  2. Alex_Mattucci
    • one year ago
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    So just factor it? That is it?

  3. Nnesha
    • one year ago
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    yep

  4. Alex_Mattucci
    • one year ago
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    I thought all that fancy text was supposed to mean something? All well, that is pretty easy!!!

  5. Alex_Mattucci
    • one year ago
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    Thanks for the help!!!

  6. Nnesha
    • one year ago
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    factor of that equation would be like (x-b)(x+b) which is same as linear equation y=mx+b

  7. Nnesha
    • one year ago
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    np o^_^o

  8. Alex_Mattucci
    • one year ago
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    Does all this fancy text also just mean to factor? Rewrite x^2 - 8x + 16 as a square of a linear expression.

  9. Nnesha
    • one year ago
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    lol i feeeel ya ;-^

  10. Nnesha
    • one year ago
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    yes right there is a word `square` that means u answer would be (x-h)^2 you will get same parentheses here is an example x^2+4x+4 we need two number when we multiply them we should get product of AC =4 times 1 =4 and when we add/subtract them we should get middle which is also 4 in this question so 2 times 2 =4 2+2=4 factors are (x+2)(x+2) which can be written as (x+2)^2

  11. Alex_Mattucci
    • one year ago
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    So would x^2 + 2x - 24 be (x-4)(x+6)?

  12. Nnesha
    • one year ago
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    6 times -4 = -24 yes 6-4 =2 so yes

  13. Alex_Mattucci
    • one year ago
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    And so x^2 - 8x + 16 should be (x-4)^2, correct?

  14. Nnesha
    • one year ago
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    how ? explain plz :=)

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