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23 May, 18:22

Rewrite y = x2 + x - 20 in factorized form.

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Answers (2)
  1. 23 May, 18:33
    0
    y = (x + 5) (x - 4)

    Step-by-step explanation:

    Given

    y = x² + x - 20

    Consider the factors of the constant term ( - 20) which sum to give the coefficient of the x - term ( + 1)

    The factors are + 5 and - 4, since

    5 * - 4 = - 20 and 5 - 4 = + 1, thus

    x² + x - 20 = (x + 5) (x - 4)
  2. 23 May, 18:49
    0
    y = x2 + x - 20 factors into

    y = (x + 5) * (x - 4)
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