## Precalculus (6th Edition)

$\color{blue}{(p+4)^{-3/2}[1+(p+4)+(p+4)^{2}]}$
The least exponent of the binomials is $-3/2$. Factor out $(p+4)^{-3/2}$ to obtain: $=\color{blue}{(p+4)^{-3/2}[1+(p+4)+(p+4)^{2}]}$