Question

Разложите на множители х•х•х-2х•х+4х-3

Answer 1

x³-2x²+4x-3 = (x³-2x²+x)+(3x-3) = x(x²-2x+1) +3(x-1) = x(x-1)²+3(x-1) = (x-1)(x(x-1)+3) = (x-1)(x²-x+3)