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10 July, 13:01

Simplify (x-5) (x^2-2x-6)

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  1. 10 July, 13:23
    0
    x^3 - 7x^2 + 4x + 30

    Step-by-step explanation:

    x times x^2 = x^3 - 5 times x^2 = - 5x^2

    x times - 2x = - 2x^2 - 5 times - 2x = 10x

    x times - 6 = - 6x - 5 times - 6 = 30

    Combine like terms

    (-5x^2 and - 2x^2) = - 7x^2

    (10x - 6x) = 4x

    Carry down the remaining (x^3 and 30)

    x^3 - 7x^2 + 4x + 30
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