Pré-álgebra Exemplos

$(4 x^{2} + 3 x + 2) + (7 x^{2} + 7 x + 3)$

Etapa 1

Remova os parênteses.

$4 x^{2} + 3 x + 2 + 7 x^{2} + 7 x + 3$

Etapa 2

Some $4 x^{2}$ e $7 x^{2}$ .

$11 x^{2} + 3 x + 2 + 7 x + 3$

Etapa 3

Some $3 x$ e $7 x$ .

$11 x^{2} + 10 x + 2 + 3$

Etapa 4

Some $2$ e $3$ .

$11 x^{2} + 10 x + 5$

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