Question

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

Answer 1

Answer:

5x^2-12y^2+11xy

Step-by-step explanation:

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

10x^2-6xy+15xy-9y^2-5x^2-3xy+5xy-3y^2

10x^2-5x^2-9y^2-3y^2+9xy+2xy

5x^2-12y^2+11xy

Hope this will help you