Wednesday, 31 May 2023

FACTORIZE J3

 

Factorize 225 - m2

 

Solution

 

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

 

225-m2 = 152-m2       

 

          = (15 - m)(15 + m)

 

Hence 225 - m2 = (15 - m)(15 + m)

 

 

TRY THIS…………….

 

 

Factorize 121 - H2



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