Question

Simplify the following expression and then find the numerical values for x = -2 :
3(2x – 4) + x2 + 5

Answer 1

Answer:

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Answer 2

Answer:

3(2x-4)+x²+5

6x-12+x²+5

x²+6x-7

(-2)²+6(-2)-7

4-12-7

-15

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