Question

представьте в виде многочлена
-(х+2)^3 + (х-2)^3

Answer 1

- (x^3 + 6x^2 + 12x + 8 ) + x^3 - 6x^2 + 12x - 8 = 
= - x^3 - 6x^2 - 12x - 8 + x^3 - 6x^2 + 12x - 8 = 
= - 12x^2 - 16 = 
= - 4(3x^2 + 4)