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 (a + 4)^2 - (a - 4)(a + 4)

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(a + 4)^2 - (a - 4)(a + 4)

 Dec 13, 2014

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 #1
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(a + 4)^2 - (a - 4)(a + 4)    expanding, we have

a^2 + 8a + 16 - [a^2 - 16]  =

8a + 32

 

 Dec 13, 2014

1+0 Answers

 #1
avatar+130511 
+5
Best Answer

(a + 4)^2 - (a - 4)(a + 4)    expanding, we have

a^2 + 8a + 16 - [a^2 - 16]  =

8a + 32

 

CPhill Dec 13, 2014

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