Question

Which choice is equivalent to the expression below?

7x2 - 42 + x2
O A. 3x12
O5x22
O C. 8x^2 - 4-15
O D. 6x1/2 -3-2

Answer 1

Did you copy C correctly?

If not, then C should equal 8x^2 - 16

Explanation:

Simplify 7x^2 - 4^2 + x^2

I hope this helps!

Answer 2

the answer to your problem is c