Algebra Examples

$10 a^{9} - 12 a^{9} + 10 a^{7} + 9 a^{9} - 3 a^{7}$

Step 1

Subtract $12 a^{9}$ from $10 a^{9}$ .

$- 2 a^{9} + 10 a^{7} + 9 a^{9} - 3 a^{7}$

Step 2

Add $- 2 a^{9}$ and $9 a^{9}$ .

$7 a^{9} + 10 a^{7} - 3 a^{7}$

Step 3

Subtract $3 a^{7}$ from $10 a^{7}$ .

$7 a^{9} + 7 a^{7}$