5-x/4x^2-8x + 7/8x = x-1/2x(x-2) + 1/8x-16
5-x/4x(x-2) +7/8x = x-1/2x(x-2) + 1/8(x-2)
(5-x)16x + 7(x-2)64x^2 = (x-1)32x + 8x^2
80x-16x^2+(7x-14)64x^2 = 32x^2-32x + 8x^2
80x-16x^2+448x^3-896x^2 = 32x^2-32x + 8x^2
80x-16x^2+448x^3-896x^2-32x^2+32x-8x^2=0
112x-952x^2+448x^3 = 0
2x(56-476x+224x^2) = 0
=>2x=0
x = 0