## Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

$\frac{5x+8}{x}$
By factoring both the denominator and numerator and canceling the common factors, we have $$\frac{15x^2+24x}{3x^2}=\frac{3x(5x+8)}{3x^2}=\frac{5x+8}{x} .$$