Álgebra Exemplos

$(7 x^{3} - 2 x^{2}) + (x^{3} + 9 + 3 x^{2})$

Etapa 1

Remova os parênteses.

$7 x^{3} - 2 x^{2} + x^{3} + 9 + 3 x^{2}$

Etapa 2

Some $7 x^{3}$ e $x^{3}$ .

$8 x^{3} - 2 x^{2} + 9 + 3 x^{2}$

Etapa 3

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

$8 x^{3} + x^{2} + 9$

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