FACTORIZE J6

 

Factorize 1-121B²

 

Solution

 

We use difference of two squares a² – b² = (a - b)(a + b)

1-121B² = 1²-121B²   

    

             = 1²-11²B²      

 

             = 1²-(11B)²       

 

 

             = (1 - 11B)(1 + 11B)

 

 

Hence 1 - 121B² = (1 - 11B)(1 + 11B)

 

 

TRY THIS…………….

 

 

 Factorize 16 – 4C²