Make sure every factor inside each set of parentheses
shows its exponent, even when it is 1:



Now remove the parentheses by multiplying each exponent
within the parentheses by the exponent outside the
parentheses:





Write  as  and  as 



Get 0 on the right side:



Factor  out of the left side:



Use the zero-factor property to set each factor equal to 0:

 

So there are two solutions.

Edwin