Mathematics: Expand and simplify 4a^2(b^2-c)+2ab(ab-c)-ac(a+2b)

Expand and simplify 4a^2(b^2-c)+2ab(ab-c)-ac(a+2b)

Ответ:

hugo211

01.01.2022

$4a^2(b^2-c)+2ab(ab-c)-ac(a+2b)\\-----------------------\\use\ distributive\ property:a(b-c)=ab+ac\\-----------------------\\=4a^2b^2-4a^2c+2a^2b^2-2abc-a^2c-2abc\\=(4a^2b^2+2a^2b^2)+(-4a^2c-a^2c)+(-2abc-2abc)\\\\=\boxed{6a^2b^2-5a^2c-4abc}$

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Ответ:

dakaric94

22.11.2020

Mathematics

The answer 8s the answers is a 33 and one third percent decrease follow by a 50% increase

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4a^2(b^2-c)+2ab(ab-c)-ac(a+2b)

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