So we know this expression:
7x^2 + 2x.
And we know x = 3.
(7*3)^2 + (2*3)
21^2 + 6.
441 + 6
447
Answer:
i would need some options ( :
Step-by-step explanation:
This is the correct way to solve the problem :
You add 3 and 8 together.
you see if it equals -2 or not.
I hope this helps!
