Question

Simplify the following expression and find the numerical value of x =-2
3(2x–4)+x2

Answer 1

Answer:

3{2x-2+(-4)}-2x-2

3(-8)4

-24+4

-20

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Answer 2

Answer:

3[2(-2)- 4]+(-2)2

3(-4-4)-4

3(-8)-4

-24-4

-28 .answer.