Раскройте скобки:(x+1)(x²+1)(1-x)

Question

Раскройте скобки:(x+1)(x²+1)(1-x)

Answer 1

(x+1)(x²+1)(1-x) = -(x-1)(x+1)(x²+1) = -(x²-1)(x²+1) = -(x⁴-1) = -x⁴+1.