jordan165 jordan165

16-04-2017
Mathematics

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How do I rewrite the expression -2a(a+b-5)+3(-5a+2b)+b(6a+b-8)

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16-04-2017

Multiply -2a (a. -2a^2
-2a(b. -2ab
-2a(-5. 10a
Multiply 3(-5.a -15a
3(2b. 6b
Multiply b (6a 6ab
b(b. b^2
b(-8. -8b
Combine like terms-2a^2-2ab+6ab+10a-15a+6b-8b+b^2
Answer -2a^2+4ab-5a-2b+b^2

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