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24 January, 07:40

What is 5x^2 - 15x - 20

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  1. 24 January, 09:02
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    5 (x+1) (x-4)

    Step-by-step explanation:

    5 (x^2-3x-4)

    =x (x+1) - 4 (x-1)

    = (x+1) (x-4)

    so, = 5 (x+1) (x-4)
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