difference of 17x−13y+8 and 20x+6y
17x-13y+8-(20x+6y)
Distributing negative over second bracket we get,
17x-13y+8-20x-6y
combining like terms we get,
-3x-19y+8
difference of 17x−13y+8 and 20x+6y is -3x-19y+8
