Question

Factorize each of the following algebraic expressions:

x2 + 9y2 – 6xy – 25a2

Answer 1

As given ,

x2 + 9y2 – 6xy – 25a2

= (x – 3y)2 – (5a)2

= (x – 3y + 5a) (x – 3y – 5a)