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11 April, 10:37

What are the factors of x2 + 4x + 3?

A X3 - 1

B

4x2 + 3

C (x - 3) (x + 1)

D (x+3) (x + 1)

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Answers (2)
  1. 11 April, 10:38
    0
    The answer is D (x+3) (x+1)
  2. 11 April, 10:51
    0
    D. (X + 3) (X + 1)

    process:

    x² + 4x + 3

    = x² + (3 + 1) x + 3

    = x² + 3x + x + 3

    = X (x+3) + 1 (X+3)

    = (X + 3) (X + 1)
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