Matemática discreta Exemplos

$- 7 n^{2} - 13 n + 8 n^{2} + 19 n + 1$

Etapa 1

Some $- 7 n^{2}$ e $8 n^{2}$ .

$n^{2} - 13 n + 19 n + 1$

Etapa 2

Some $- 13 n$ e $19 n$ .

$n^{2} + 6 n + 1$

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