Question

(x+1/2) (x-1/2) - (1-x)² ???​

Answer 1

Resposta:

2x - 5/4

Explicação passo-a-passo:

Temos que:

(x+(1/2)) (x-(1/2)) - (1-x)^2

x^2 - (1/2)^2 - (1-x)^2

x^2 - 1/4 - (1 - 2x + x^2)

x^2 - 1/4 - 1 + 2x - x^2

2x - (1/4+1)

2x - (1+4)/4

2x - 5/4

Blz?

Abs :)