I am attempting to solve the question below and I have a hint on how to solve but got stuck with the algebra. Here is the question

I am attempting to solve the question below and I have a hint on how to solve but got stuck with thealgebra. Here is the question dxz (x) - 20(x) = -sa(x-a) x>0 The hint is that the above equation has two solutions (x) = Aocosh( ) +C1 sinh( ) for 0