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26 May, 19:03

Simplify - 3p^3+5p + (-2p^2) + (-4) - 12p + 5 - (-8p^3)

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  1. 26 May, 19:12
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    Simplify the following:

    8 p^3 - 3 p^3 - 2 p^2 + 5 p - 12 p - 4 + 5

    Grouping like terms, 8 p^3 - 3 p^3 - 2 p^2 + 5 p - 12 p - 4 + 5 = (-3 p^3 + 8 p^3) - 2 p^2 + (5 p - 12 p) + (-4 + 5):

    (-3 p^3 + 8 p^3) - 2 p^2 + (5 p - 12 p) + (-4 + 5)

    8 p^3 - 3 p^3 = 5 p^3:

    5 p^3 - 2 p^2 + (5 p - 12 p) + (-4 + 5)

    5 p - 12 p = - 7 p:

    5 p^3 - 2 p^2 + - 7 p + (-4 + 5)

    5 - 4 = 1:

    Answer: 5 p^3 - 2 p^2 - 7 p + 1
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