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How to factor this?

 

 Aug 2, 2020
 #1
avatar+110206 
+2

expand it out

then rearrange the pairs  

Then factor again. 

Hint:

One both the factors will be (x-a)

 Aug 2, 2020
 #2
avatar+1099 
+2

We distribute to get −a^2x+ax^2−ay^2+xy^2 or \(−a^2x+ax^2−ay^2+xy^2\)

 Aug 2, 2020

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