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20 June, 09:42

Expand and simplify (x+9) (x-3)

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  1. 20 June, 10:08
    0
    x² + 6x-27

    Step-by-step explanation:

    (x+9) (x-3) (expand by distributive property)

    = x (x) - 3 (x) + x (9) - 3 (9) (simplify)

    = x² - 3x+9x-27

    = x² + 6x-27
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