Question

Factorize: (5x + 4y)^2 - ( 3x - 2y )^2

Answer 1

a^2-b^2=(a+b)(a-b)
(5x + 4y)^2 - ( 3x - 2y )^2
=(5x+4y+3x-2y)(5x+4y-(3x-2y))
=(8x+2y)(2x+6y)

Answer 2

Answer:

a^2-b^2=(a+b) (a-b)

(5x + 4y)^2 - ( 3x - 2y )^2

=(5x+4y+3x-2y)(5x+4y-(3x-2y))

=(8x+2y)(2x+6y)