Question

Calculate the value of the following algebraic expression:
3x2 + (x - 1)(x + 1) + 3(x + 2) + 5 at x= -1.​

Answer 1

Answer:

12 is answer

Step-by-step explanation:

3×2+(-1-1) (-1+1) +3(-1+2) +5

3×2(-2) +3 (1) +5

6-2+3+5

4+3+5

= 12

Answer 2

Answer:

11

Step-by-step explanation:

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