Álgebra Exemplos

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

Etapa 1

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

$5 x^{2} - 4 x + x - 7$

Etapa 2

Some $- 4 x$ e $x$ .

$5 x^{2} - 3 x - 7$

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