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(6p + 4q)(-2p + 9q)
simplify
please help

  • math -

    ( 6 p + 4 q ) ( - 2 p + 9 q ) =

    6 p * ( - 2 p ) + 4 q * ( - 2 p ) + 6 p * 9 q + 4 q * 9 q =

    - 12 p ^ 2 - 8 p q + 54 p q + 36 q ^ 2 =

    - 12 p ^ 2 + 46 p q + 36 q ^ 2

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