Matemática básica Exemplos

$8 n^{2} - n + 10 n^{2} + 9 n$

Etapa 1

Some $8 n^{2}$ e $10 n^{2}$ .

$18 n^{2} - n + 9 n$

Etapa 2

Some $- n$ e $9 n$ .

$18 n^{2} + 8 n$

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