1. **State the problem:** Simplify the rational expression $$\frac{4r^2 + 24r + 32}{16r^2 - 16r - 96}$$.
2. **Factor numerator and denominator:**
- Numerator: $$4r^2 + 24r + 32 = 4(r^2 + 6r + 8)$$.
- Factor inside parentheses: $$r^2 + 6r + 8 = (r + 2)(r + 4)$$.
- So numerator is $$4(r + 2)(r + 4)$$.
- Denominator: $$16r^2 - 16r - 96 = 16(r^2 - r - 6)$$.
- Factor inside parentheses: $$r^2 - r - 6 = (r - 3)(r + 2)$$.
- So denominator is $$16(r - 3)(r + 2)$$.
3. **Rewrite the expression:**
$$\frac{4(r + 2)(r + 4)}{16(r - 3)(r + 2)}$$
4. **Cancel common factors:**
The factor $$(r + 2)$$ appears in numerator and denominator, so cancel it:
$$\frac{4\cancel{(r + 2)}(r + 4)}{16(r - 3)\cancel{(r + 2)}} = \frac{4(r + 4)}{16(r - 3)}$$
5. **Simplify the coefficients:**
$$\frac{4(r + 4)}{16(r - 3)} = \frac{\cancel{4}(r + 4)}{\cancel{16}(r - 3)} = \frac{r + 4}{4(r - 3)}$$
**Final answer:**
$$\frac{r + 4}{4(r - 3)}$$
Rational Expression 9D574B
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