(x-2)(x²-2x+4)-x²(x-2)

Question

(x-2)(x²-2x+4)-x²(x-2)

Answer 1

(x-2)(x²-2x+4)-x²(x-2) =

(x - 2)(x² - 2x + 4 - x²) =

(x - 2)(4 - 2x) =

4x - 2x² - 8 + 4x =

8x - 2x² - 8

Answer 2

(x-2)(x²-2x+4)-x²(x-2)=-2(х-2)(х-2)