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14 April, 16:29

Simplify m (2+n-m) + 3 (3n+m^2-1)

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Answers (1)
  1. 14 April, 16:48
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    Answer:2m^2+mn+2m+9n-3

    Step-by-step explanation:

    m (2+n-m) + 3 (3n+m^2-1)

    open brackets

    2m+mn-m^2+9n+3m^2-3

    Collect like terms

    3m^2-m^2+mn+2m+9n-3

    2m^2+mn+2m+9n-3
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