Question

rewrite the expression below -2a(a+b-5)+3(-5a+2b)+b(6a+b-8)

Answer 1

-2a(a+b-5)+3(-5a+2b)+b(6a+b-8)=-2a²-2ab+10a-15a+6b+6ab+b²-8b=
=-2a²+(-2ab+6ab)+(10a-15a)+(6b-8b)+b²=
=-2a²+4ab-5a-2b+b²

Answer: -2a²+4ab-5a-2b+b²