Question

Factorise: 15(x+y)^2 - 5x-5y

Answer 1

15(x+y)²-5x-5y
15(x+y)(x+y)-5(x+y)
5(x+y){3(x+y)-1}
5(x+y){3x+3y-1}

Answer 2

Answer:

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

15(x+y)(x+y)-5(x+y) 5(x+y){3(x+y)-1} 5(x+y)(3x+3y-1}