Pré-álgebra Exemplos

$12 x^{2} + 3 x + 6$ e $- 7 x^{2} - 4 x - 2$

Etapa 1

Some as expressões.

$12 x^{2} + 3 x + 6 - 7 x^{2} - 4 x - 2$

Etapa 2

Subtraia $7 x^{2}$ de $12 x^{2}$ .

$5 x^{2} + 3 x + 6 - 4 x - 2$

Etapa 3

Subtraia $4 x$ de $3 x$ .

$5 x^{2} - x + 6 - 2$

Etapa 4

Subtraia $2$ de $6$ .

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

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