Pré-álgebra Exemplos

$(7 w^{2} + 4 w - 6) + (w^{2} - 11 w + 13)$

Etapa 1

Remova os parênteses.

$7 w^{2} + 4 w - 6 + w^{2} - 11 w + 13$

Etapa 2

Some $7 w^{2}$ e $w^{2}$ .

$8 w^{2} + 4 w - 6 - 11 w + 13$

Etapa 3

Subtraia $11 w$ de $4 w$ .

$8 w^{2} - 7 w - 6 + 13$

Etapa 4

Some $- 6$ e $13$ .

$8 w^{2} - 7 w + 7$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$