Question

(x+y)(2x+3y)-(x+y)(x+1)

Answer 1

ans is

${x}^{2} + 4xy + - y - x + 3{y}^{2}$
ok

Answer 2

(x+y)(2x+3y)-(x+y)(x+1)
(2x²+3xy+2xy+3y²)-(x²+x+xy+y)
2x²+3y²+5xy-x²-x-xy-y
x²+3y²+4xy-x-y