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4 December, 07:57

What is (x+3) ^2-5 (x+3) + 3 as a simplified polynomial in standard form

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  1. 4 December, 08:12
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    x^2+x-3

    Step-by-step explanation:

    (x+3) ^2-5 (x+3) + 3

    Distribute:

    =x^2+6x+9 + (-5) (x) + (-5) (3) + 3

    =x^2+6x+9 + (-5x) + (-15) + 3

    Combine Like Terms:

    =x^2+6x+9 + (-5x) + (-15) + 3

    = (x^2) + (6x+-5x) + (9+-15+3)

    =x^2+x + (-3)
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