Answer:
Step-by-step explanation:
x²-8x+ 14 =2x+7
x² - 8x +14 - 2x - 7 = 0
x² - 10x + 7 = 0
Well you are trying to find x, so you would divide 5/8 by itself and on the other side.
(5/8x / 5/8) = (10 / 5/8)
x=16
Hope this helps!
790 for surface area
1800 for volume
The answer is C