(y-8) (2y+1)-(3y+1) (y-6)

Question

(y-8) (2y+1)-(3y+1) (y-6)

Answer 1

(y-8) (2y+1)-(3y+1) (y-6)=2y^2-15y-8-(3y^2-17y-6)=2y^2-15y-8-3y^2+17y+6=-y^2+2y-2