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 (2a-b)^2

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(2a-b)^2 using perfect squared binomial

 Dec 4, 2014

Best Answer 

 #1
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$$\\(2a-b)^2\\
=(2a)^2-(2*2a*b)+(-b)^2$$

 

CAn you take it from there?

 Dec 5, 2014

1+0 Answers

 #1
avatar+118723 
+5
Best Answer

$$\\(2a-b)^2\\
=(2a)^2-(2*2a*b)+(-b)^2$$

 

CAn you take it from there?

Melody Dec 5, 2014

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