20a^3-a^2/a
The expression can be simplified as follows:
= (20a^3 - a^2) / a
= a^2(20a - 1) / a
= 20a^2 - a
Therefore, the simplified expression is 20a^2 - a.
= (20a^3 - a^2) / a
= a^2(20a - 1) / a
= 20a^2 - a
Therefore, the simplified expression is 20a^2 - a.