2(x+6)(x+1)
2x^2 + 14x + 12
2(x^2 + 7x + 6)
2(x+6)(x+1)
Basically thats it
Answer: 21
Step-by-step explanation:

Substitute the value of z into the expression:

Step-by-step explanation:
-7/2 = -28
-7 = -28 × 2
-7 = -56
With what? I don't see a question