Question

Simplify the following polynomials

Answer 1

First of factor the common term 3a
3a(2a+7)/ 3a^2----------->  $\frac{3a(2a+7)}{3a^{2} }$
cancel out the 3
a(2a+7)/a^2--------------->  $\frac{a(2a+7)}{ a^{2} }$
simplify
2a+7/a---------------------->  $\frac{2a+7}{a}$

You are done

Hope this helps :)