Álgebra Exemplos

$- 2 x^{2} + 8 x - 9 + 4 x + 7 x^{2} + 2$

Etapa 1

Some $- 2 x^{2}$ e $7 x^{2}$ .

$5 x^{2} + 8 x - 9 + 4 x + 2$

Etapa 2

Some $8 x$ e $4 x$ .

$5 x^{2} + 12 x - 9 + 2$

Etapa 3

Some $- 9$ e $2$ .

$5 x^{2} + 12 x - 7$

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