e 1 point Suppose x a Find the value of the expression x 6x 12x 8x in terms of the variable r Enter the terms in the order given help formulas b Simplify your answer to the previous part to obtain a differential equation in terms of the dependent variable x satisfied by x e x 6x 12x 8x help formulas c Is x e a solution to your differential equation in the previous part Choose Be sure you can justify your answer