Basic Math Examples

$3 n^{5} - 5 n + 9 n^{2} + (5 n^{2} + 7 n^{2} - 5 n)$

Step 1

Remove parentheses.

$3 n^{5} - 5 n + 9 n^{2} + 5 n^{2} + 7 n^{2} - 5 n$

Step 2

Subtract $5 n$ from $- 5 n$ .

$3 n^{5} + 9 n^{2} + 5 n^{2} + 7 n^{2} - 10 n$

Step 3

Add $9 n^{2}$ and $5 n^{2}$ .

$3 n^{5} + 14 n^{2} + 7 n^{2} - 10 n$

Step 4

Add $14 n^{2}$ and $7 n^{2}$ .

$3 n^{5} + 21 n^{2} - 10 n$