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avatar+964 

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

 Mar 4, 2018
 #1
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Are you using Khan Academy? You know if you got the question wrong they would give you an answer and explanation.

 Mar 4, 2018
 #2
avatar+8866 
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First box:     x4 - 2x2y2 + y4

 

Second box:     2x4 - 2x2y2 + 2y4

 

Third box:     2(x4 - x2y2 + y4)

 Mar 4, 2018

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