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cphill 16a 2 - 4b 2 same thing and how do i factor

 Jun 10, 2015

Best Answer 

 #1
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16a^2 - 4b^2        =

 

4 (4a^2 -  b^2) =

 

4 (2a + b) (2a - b)

 

 

 Jun 10, 2015
 #1
avatar+128707 
+10
Best Answer

16a^2 - 4b^2        =

 

4 (4a^2 -  b^2) =

 

4 (2a + b) (2a - b)

 

 

CPhill Jun 10, 2015

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