Question

I WILL GIVE YOU BRAINLIEST

Answer 1

A:10
B:-8
You have to substitute all given numbers and solve

Answer 2

A) b-2a= 2-2(-4)=16
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b) (a+b)^3= a^3+3ab+b^3=

(-4)^3+3(-4)(2)+(2)^3= -80

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I’m not sure of my answer but best of wishes and good luck!!