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10 October, 15:25

Factor 4x2 - 22x + 30

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Answers (2)
  1. 10 October, 17:17
    0
    2 (2x - 5) (x - 3)

    Step-by-step explanation:

    4x² - 22x + 30

    First, factor out a 2:

    2 (2x² - 11x + 15)

    Use AC method to factor.

    2 * 15 = 30

    Factors of 30 that add up to - 11 are - 5 and - 6.

    Divide by a and reduce: - 5/2, - 6/2 = - 3/1

    The factors are 2x - 5 and x - 3.

    2 (2x - 5) (x - 3)
  2. 10 October, 18:04
    0
    Factor by grouping. For a polynomial of the form ax2+bx+c a x 2 + b x + c, rewrite the middle term as a sum of two terms whose product is a⋅c=2⋅15=30 a ⋅ c = 2 ⋅ 15 = 30 and whose sum is b=-11 b = - 11.
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