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Friday, September 28, 2012

Factoring - Perfect Trinomial Square

Category: Algebra

"Published in Newark, California, USA"

Find the factors of  .
 

Solution:
 
Examine first the given trinomial if there are any common factor or not. In this case, their common factor is 2. Remove their common factor, we have



     
Since the result of a trinomial is a perfect square, therefore 



Check:      

How do you know if the given trinomial is a perfect square or not? Here's the technique


Therefore, the middle term is