Question

x-2(x-3)^2=(x+1)(3-2x)

Answer 1

Salut,

x-2(x-3)² = (x+1)(3-2x)
x-2(x²-6x+9) = x(3-2x)+1(3-2x)
x-2x²+12x-18 = 3x-2x²+3-2x
13x-2x²-18 = -2x²+x+3
13x-x = 3+18
12x = 21
x = 21/12
x = 7/4.

Succes! :3