Basic Math Examples

$- 7 n^{3} - 5 n^{2} + 2 n - n^{2} - n^{3} - 12 n$

Step 1

Subtract $n^{3}$ from $- 7 n^{3}$ .

$- 8 n^{3} - 5 n^{2} + 2 n - n^{2} - 12 n$

Step 2

Subtract $n^{2}$ from $- 5 n^{2}$ .

$- 8 n^{3} - 6 n^{2} + 2 n - 12 n$

Step 3

Subtract $12 n$ from $2 n$ .

$- 8 n^{3} - 6 n^{2} - 10 n$