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15 June, 08:44

Use the grouping method to factor x^3 + x^2 + 5x + 5

A. (x^2+1) (x+5)

B. (x+1) (x^2+5)

C. (x+1) (x^2+5)

D. x (x+5) (x+1)

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Answers (2)
  1. 15 June, 10:49
    0
    (x + 1) (x^2 + 5)

    Step-by-step explanation:

    Simplify the following:

    x^3 + x^2 + 5 x + 5

    Factor terms by grouping. x^3 + x^2 + 5 x + 5 = (x^3 + x^2) + (5 x + 5) = x^2 (x + 1) + 5 (x + 1):

    x^2 (x + 1) + 5 (x + 1)

    Factor x + 1 from x^2 (x + 1) + 5 (x + 1):

    Answer: (x + 1) (x^2 + 5)
  2. 15 June, 12:02
    0
    X^2 (x+1) + 5 (x+1)

    (x^2+5) (x+1)

    the answer is a
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