Exercise 109 Page 600

Add fractions

Commutative Property of Addition

$\frac{a}{b}=\frac{a/(x+3)}{b/(x+3)}$

$\frac{a}{b}=\frac{a\cdot (x-2)}{b\cdot (x-2)}$

$\frac{a}{b}=\frac{a\cdot (x-1)}{b\cdot (x-1)}$

Commutative Property of Multiplication

Subtract fractions

Distribute $3$

Distribute $\text{-}2$

Add and subtract terms

$\frac{a}{b}=\frac{a\cdot (x+2)}{b\cdot (x+2)}$

$\frac{a}{b}=\frac{a\cdot x}{b\cdot x}$

Subtract fractions

Distribute $8$

Subtract term

Split into factors

Factor out $4$