Pre-Algebra Examples

$5 a^{3} + 7 a^{2} - 2 a - 9 \div a^{2} + 3 a - 4$

Step 1

Rewrite the division as a fraction.

$5 a^{3} + 7 a^{2} - 2 a - \frac{9}{a^{2}} + 3 a - 4$

Step 2

Add $- 2 a$ and $3 a$ .

$5 a^{3} + 7 a^{2} + a - \frac{9}{a^{2}} - 4$