Question

EXERCICIOS
a) (x + 1)2 =​

Answer 1

(x + 1)2 = 2x+2.1 = 2x+2

Answer 2

Resposta:

Deve ser (x+1)²

(x+1)²=(x+1)*(x+1) = x*(x+1)+1*(x+1)

= x²+x+x+1

= x²+2x+1