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3 January, 17:02

What's does X-3 times X+5 equal

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  1. 3 January, 17:17
    0
    x² + 2x - 15

    Step-by-step explanation:

    Given

    (x - 3) (x + 5)

    Each term in the second factor is multiplied by each term in the first factor, that is

    x (x + 5) - 3 (x + 5) ← distribute both parenthesis

    = x² + 5x - 3x - 15 ← collect like terms

    = x² + 2x - 15
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