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subtract 3a(a+b+c)-2b (a-b+c) from 4c (-a+b+c) please give explanation​

By Isabelle

subtract 3a(a+b+c)-2b (a-b+c) from 4c (-a+b+c) please give explanation​

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Isabelle

A mother and sons decided to construct a room for 200000.The 5/8 of elders son contribution and younger son contribute 3/5 of elde

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1 thought on “subtract 3a(a+b+c)-2b (a-b+c) from 4c (-a+b+c) please give explanation​”

  1. Answer:

    solution, 3a(a+b+c)-2b(a-b+c)

    =3a²+3ab+3ac-2ab+2b²-2bc

    =(3a²+2b²+ab+3ac-2bc)-4c(-a+b+c)

    =3a²+2b²+ab+3ac-2bc+4ac-4bc-4c²

    =3a²+2b²+ab+7ac-6ac-4c²

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