Question

14x+10y-12xy-13and 19-5x-10y+8xy​

Answer 1

solution:-

⠀⠀⠀⠀14 x + 10 y - 12 xy - 13

⠀⠀⠀- 5 x + 10 y + 8 xy + 19

⠀⠀⠀+ ⠀+ ⠀⠀⠀- ⠀⠀⠀-

⠀⠀_______________________

⠀⠀9 x + 20 y - 20 xy - 32

⠀⠀_______________________

hope it helps you....