CPM Homework Help : A2C Problem 5-67

Answer (a):

x(b + a)

Hint (c):

$\frac{\textit{a}(\textit{x}+1)}{(\textit{x}+1)^{2}}$

Answer (b):

x(1 + a)

Hint (d):

$\frac{(\textit{x}+\textit{b})(\textit{x}-\textit{b})}{\textit{a}(\textit{x}+\textit{b})}$