you want to expand and simplify?
$$\\(p+2/2)(p+\frac{7}{2})\\\\
=(p+1)(p+\frac{7}{2})\\\\
=p(p+\frac{7}{2}) \quad +1(p+\frac{7}{2})\\\\
=p^2+\frac{7p}{2}+p+\frac{7}{2}\\\\
=p^2+\frac{7p}{2}+\frac{2p}{2}+\frac{7}{2}\\\\
=p^2+\frac{9p}{2}+\frac{7}{2}\\\\$$
