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12 April, 06:46

Use the grouping method to factor this polynomial.

x^3 + 2x^2 + 7x+14

A. (x2 + 2) (x+7)

B. (x2+8) (x + 2)

C. (x2 + 2) (x+8)

D. (x2 + 7) (x+2)

+1
Answers (1)
  1. 12 April, 10:36
    0
    D

    Step-by-step explanation:

    Given

    x³ + 2x² + 7x + 14 (factor the first/second and third/fourth terms)

    = x² (x + 2) + 7 (x + 2) ← factor out (x + 2) from each term

    = (x² + 7) (x + 2) → D
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