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2 March, 09:26

Deirdre is factoring the polynomial x2 + 2x - 24. Which combination can she use to replace the middle term, 2x?

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Answers (2)
  1. 2 March, 09:48
    0
    to replace 2x we need + 6x-4x
  2. 2 March, 10:56
    0
    6x - 4x

    Step-by-step explanation:

    x^2 + 2x - 24

    We need to find out the factors that replace the middle term + 2x

    Constant term is - 24

    coefficient of middle term is + 2

    We need to find out two factors whose product is - 24 and sum is + 2

    6 times (-4) = - 24

    6 + (-4) = 2

    So 6 and - 4 gives us product - 24 and sum + 2

    the middle term + 2x can be written as 6x - 4x
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