Question

(x+y+2)(y+1)

y^2 + 4xy + 2

xy + 4y + x + 2

y + x + y + 2

y^2 + xy + x + 3y + 2

Answer 1

[AI-generated answer — Bot GPT 3.5]

(x+y+2)(y+1) = xy + y + 2x + x + y + 2 = y^2 + xy + x + 3y + 2