Bianca writes two expressions: 6⁢x⁢y^2−4⁢x⁢y+12+10⁢x⁢y−7⁢x⁢y^2+15 (6⁢y^2)/(x)−4⁢x⁢y+12+10⁢x⁢y−(7⁢y^2)/(x)+15 Determine which of these is a polynomial and complete the expression to show its equivalent form. Enter your answers in the boxes.