Álgebra Exemplos

$8 a^{2} - 2 + 5 + 10 a + 9 + 7$

Etapa 1

Some $- 2$ e $5$ .

$8 a^{2} + 3 + 10 a + 9 + 7$

Etapa 2

Some $3$ e $9$ .

$8 a^{2} + 10 a + 12 + 7$

Etapa 3

Some $12$ e $7$ .

$8 a^{2} + 10 a + 19$

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