How many terms are in the expansion of the expression \([(3x+2y)^2(3x-2y)^2]^3\) after it is simplified to lowest terms?
[ ( 3x + 2y)^2 ( 3x - 2y)^2 ]^3 =
( [ (3x + 2y) (3x - 2y) ]^2 ) ^3 =
[ (3x + 2y) (3x - 2y) ]^6 =
[ 9x^2 - 4y^2 ]^6
Will have 7 terms
+1206 
