+0  
 
0
106
2
avatar+16 

Drag and drop the expressions into the boxes to correctly complete the proof of the polynomial identity.

 Nov 20, 2018
 #1
avatar+512 
+1

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

 Nov 20, 2018
 #2
avatar+21191 
+10

Drag and drop the expressions into the boxes to correctly complete the proof of the polynomial identity.

 

 

laugh

 Nov 20, 2018

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