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5 December, 01:03

Which expression is a factor of x2 + 2x - 15 A. (x - 3) B. (x + 3) C. (x + 15) D. (x - 5)

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  1. 5 December, 04:08
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    A. (x - 3)

    Step-by-step explanation:

    x^2 + 2x - 15

    Factor

    What 2 numbers multiply to - 15 and add to 2

    5*-3 = - 15

    5 - 3 = 2

    (x+5) (x-3)
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