Question

Упростите выражение: 1) (x- 2)(x2 + 2 x + 4) - (1 + x) (x2 - х+1)

Answer 1

(x- 2)(x2 + 2 x + 4) - (1 + x) (x2 - х+1) = X^3 - 8-(X^2 - x +1+X^3-X^2+X) = X^3 - 8 -(1+X^3) = X^3 - 8 - 1 -X^3 = - 9

^ - степень