When we expand (2x+4)^6, what is the coefficient on the x^4 term?
When we expand (2x+4)^6, what is (2x+4)^6?
The coefficient on the x^4 term is 3840.
Nice solution. :))
Another method to use would be the binomial theorem.
(2x)^4*(4)^2*6C4 = 3840x^4