Question

square root of x + 2 equals 10 - x

Answer 1

umm....

Answer 2

I think this is what you need, hope I'm right !
root x + 2 = 10-x
root x = 8-x
x= (8-x)^2
x= 64-16 x +x^2
x^2 -17x +64 = 0

Answer 3

x=7