Simplifying (5*6^x)+(6*6^(x+1)) = 6*6^(x+1) but I don't know why?

It could also = 6*6^(x+2) , I don't know which one is right because 2 different places are giving me 2 different answers.

thanks!

Hello Zarrin:

The reason you're having trouble is because that statement is not true.

The left side reduces to and the right side to



Look at your equation. How could it be true, unless ?

But that is not true for any x. Therefore, the statement is false.