Question

please give answer very important​

Answer 1

 

(2x)^2 - 2(2x)(3y) + (3y)^2 - 25        

(2x-3y)^2 - (5)^2                       since a^2 - 2ab + b^2 = (a+b)^2

[(2x-3y) + 5 ][(2x-3y) - 5 ]           since a^2 - b^2 = (a+b)(a-b)

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