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24 November, 17:51

Add. (3t - 3) + (6t2 + 4t + 13) + (-8t2 + 11t - 1) ? A) - 2t2 + 18t + 9 B) - 2t4 + 182 + 9 C) 2t4 - 18t - 9 D) 2t4 + 18t + 9

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  1. 24 November, 18:00
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    Let's simplify step-by-step.

    3t-3+6t2+4t+13-8t2+11t-1

    =3t+-3+6t2+4t+13+-8t2+11t+-1

    Combine Like Terms:

    =3t+-3+6t2+4t+13+-8t2+11t+-1

    = (6t2+-8t2) + (3t+4t+11t) + (-3+13+-1)

    =-2t2+18t+9
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