Solve the differential equation $\frac{d^{2}y}{d{x}^2}-10\frac{dy}{dx}29y=0$ and show that $y(x)$ can be written in the equivalent form $y(x)=e^{5x}(c_{3}cos2x{c}_{4}sin2x),$ that is$,$ trigonometric solutions modulated by an exponential factor.

Not sure where to or how to start! This is for PChem.