Question

ayuda Resolver : (x-3) (x-2) (x-1) + (1-x) (2-x) - x +1

Answer 1

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

(x-3)(x-2)(x-1) - (x-1)(2-x) - (x-1)

(x-1) [ (x-3)(x-2) - (2-x) - 1 ]

(x-1) [ x² - 5x + 6 + x - 2 - 1 ]

(x-1) (x² - 4x + 3)

(x-1) (x-3) (x-1)

(x-3) (x-1)²