Question

Se a=2 e b=-1 responda:

(a^2 - ab + b^2) . (a -ab)


Help

Answer 1

(2^2 - 2x-1 + -1^2)x (2-2x-1)
(4-(-2)+1)x(2-2)
(4+2+1)x0
7x0
resultado 0