Status: Accepted
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 2996 by smi...@gmail.com: collect doesn't collect power with numerical base
http://code.google.com/p/sympy/issues/detail?id=2996

collect(a*y**(2*x)+b*y**(2*x),y**(x))
(a + b)*(y**2)**x
collect(a*2**(2*x)+b*2**(2*x),2**(x))
2**(2*x)*a + 2**(2*x)*b

I would expect the second case to be

(a + b)*2**(2*x)

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