Drag and drop the expressions into the boxes to correctly complete the proof of the polynomial identity.
Expand \(x^2(x^2+4y^2)\) to \(x^4+4x^2y^2\) , now subtract \(2x^2y^2\) from it and get \(x^4+2x^2y^2\) , which is the first answer.
Second, we've already expanded it so put \(x^4+4x^2y^2\) in the second blank, and same with the third blank because they are the same.
You are very welcome!
:P