Question

Adding rational expressions

Answer 1

\[\Huge \frac{3}{a}+\frac{9}{a}-\frac{18}{a^3}\]?

Answer 2

The second a is squared.

Answer 3

Ok

Answer 4

\[\Huge \frac{3}{a}*\frac{a^2}{a^2}=\frac{3a^2}{a^3}\]

Answer 5

Te second one is \[\Huge \frac{9}{a^2}*\frac{a}{a}=\frac{9a}{a3}\]

Answer 6

Now add all of them \[\Large \frac{ 3a^2+9a-18 }{ a^3 }\]