Find the General Solution of the Differential Equation $y^{\prime \prime}+5 y^{\prime}+6 y=0$

Multiple Choice

Find the general solution of the differential equation $y^{\prime \prime}+5 y^{\prime}+6 y=0$ .

A) $y=k_{1} e^{-5 x}+k_{2} e^{-x}$
B) $y=k_{1} e^{-3 x}+k_{2} e^{-2 x}$
C) $y=k_{1} e^{3 x}+k_{2} e^{2 x}$
D) $y=k_{1} e^{5 x}+k_{2} e^{x}$