Question

simplifique a expressao algebriga (x+1)x-1(x+1 ao quadrado -2x

Answer 1

Oi

(x+1)x-1(x+1² -2x)
(x+1)x-1(x+1-2x)
(x+1)x-1((x-2x)+1)
(x+1)x-1(-x+1)
x(x+1)-1(1-x)
x(x+1)-1+x
x²+x-1+x
x²+2x-1