Question

x(x-1)^2 = x^3- 2x^2+4x-2

Answer 1

Respuesta:

$x(x - 1) ^{2} = x {}^{3} - 2x {}^{2} + 4x - 2 \\ x(x {}^{2} - 2x + 1) = x {}^{3} - 2x {}^{2} + 4x - 2 \\ x {}^{3} - 2x {}^{2} + x = x {}^{3} - 2x {}^{2} + 4x - 2 \\ x = 4x - 2 \\ 2 = 3x \\ x = \frac{2}{3}$