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21 August, 12:40

Factor 4x^2+28+49

A. (x+7) (4x+7)

B. 4 (x+7) (x+7)

C. (2x+7 (2x+7)

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

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  1. 21 August, 12:46
    0
    I think your posting problem your missing an x after 28.

    Therefore your answer is

    C. (2x+7) (2x+7)

    To check use distributive

    2x (2x) + 2x (7) + 7 (2x) + 7 (7)

    4x^2+14x+14x+49

    4x^2+28x+49
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