Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-Use the substitution $\mathrm{u}=\mathrm{n}+5$ to solve the equation $5(\mathrm{n}+5) ^{2}+24(\mathrm{n}+5) -5=0$ .

A) $\left\{\frac{24}{5}, 10\right\}$
B) $\left\{\frac{1}{5},-5\right\}$
C) $\left\{-\frac{24}{5},-10\right\}$
D) $\left\{\frac{26}{5}, 0\right\}$