Question

resolva esta operação
$(x + \frac{1}{2} ) {}^{2} + (x +\frac{1}{2} )(x - \frac{1}{2})$
​

Answer 1

(x + 1/2)² = x² + x + 1/4

(x + 1/2)(x - 1/2) = x² - 1/4

Então:

(x + 1/2)² + (x + 1/2)(x - 1/2)

= x² + x + 1/4 + x² - 1/4

= 2x² + x

= x(2x + 1)

Resposta: x(2x + 1)