Answer:
8
Step-by-step explanation:
16=x
16 square root is 4
16=4
x2
(4)2= 8
x2 or 2x=8
the square root of 16 is 4
since the other term is 2*x you plug-in numbers and get 2*4=8
I have appsolutaly no idea but I'm sure you'll figure it out if not try googling it out
8x + 80
positive side
