Álgebra Exemplos

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

Etapa 1

Subtraia $2 x^{2}$ de $3 x^{2}$ .

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

Etapa 2

Some $- x$ e $5 x$ .

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

Etapa 3

Some $7$ e $2$ .

$x^{2} + 4 x + 9$

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