Pré-álgebra Exemplos

$(2 x^{2} + x + 3) + (3 x^{2} + 2 x + 1)$

Etapa 1

Remova os parênteses.

$2 x^{2} + x + 3 + 3 x^{2} + 2 x + 1$

Etapa 2

Some $2 x^{2}$ e $3 x^{2}$ .

$5 x^{2} + x + 3 + 2 x + 1$

Etapa 3

Some $x$ e $2 x$ .

$5 x^{2} + 3 x + 3 + 1$

Etapa 4

Some $3$ e $1$ .

$5 x^{2} + 3 x + 4$

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