Question 298175
x+4=(8-X)(8-x)
FOIL right side:
x+4= 64-8x-8x+x^2
x+4= 64-16x+x^2
x+4= x^2-16x+64
4= x^2-17x+64
0 = x^2-17x+60
0 = (x+8)(x-15)
.
x = {-8, 15}