Question Solve the division of two rational expressions: $(x+7)/(x^2+4x-21)$ divided by $(x+5)/(x^2+8x+15)$.

Studdy Solution
The final simplified expression is $\frac{x+3}{x-3}$, which matches option A.
$$\boxed{\text{A) } \frac{x+3}{x-3}}$$