Question

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

Answer 1

(x+2y)(-3x-y)-(x+y)(x-y)+(x-2y)(-2x+y)-3x²-xy-6xy-2y²-x²+xy-xy+y²-2x²+xy+4xy-2y²(-3-1-2)x²+(-1-6+1-1+1+4)xy+(-2+1-2)y²-6y²-2xy-3y²

answer :-. -6y²-2xy-3y²I