Originally Posted by
reallylongnickname for the 3(x^2 - 2)^2 = 3(x^2 - 2) (x^2 - 2) would be 3(x^4 - 4x^2 - 4) then distributed would be 3x^4 -12^2 - 12 but if I collect like terms, I do NOT come up with the correct answer. I must not be applying a correct rule.