Question 33888
(2x^2 + y^2)^2
is the same as:
(2x^2 + y^2)(2x^2 + y^2)
4x^4 + 2x^2y^2 + 2x^2y^2 + y^4
{{{4x^4 + 4x^2y^2 + y^4}}}