Question: Solving 2nd order ode with IC???

Hi - I'm new to Maple. I can't seem to solve an ode with Maple because it gives me this error: Error, (in combine/exp) too many levels of recursion Lets say I have the following equation: > diffEq := (diff(y(x), x, x))-7*(diff(y(x), x)) = 7*exp^(3*t); I try the following and include the ICs: > with(DEtools) > dsolve({diffEq, y(0) = 1, y'(0) = 3}, y(x)); I wanted to know why this doesn't work? Correct syntax would be great. Thanks.
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