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Thanks in advance <3

 Jan 15, 2019

Best Answer 

 #2
avatar+18337 
+1

First Box   x^4 + 2 x^2 y^2 + y^4

Middle box  (add like terms)  2x^4 + 2 x^2 y^2 + 2 y^4

Last box:    (factor out the 2)  2 (x^4 + x^2 y^2 + y^4 )

 Jan 15, 2019
 #1
avatar+533 
0

why are two of them the same?

 Jan 15, 2019
 #2
avatar+18337 
+1
Best Answer

First Box   x^4 + 2 x^2 y^2 + y^4

Middle box  (add like terms)  2x^4 + 2 x^2 y^2 + 2 y^4

Last box:    (factor out the 2)  2 (x^4 + x^2 y^2 + y^4 )

ElectricPavlov Jan 15, 2019

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