80x x^2 + 60y y^2 xy x + 2y^30

Type your math problem... 80x - x^2 + 60y - y^2 - xy x + 2y^30

Question

80 x - x^{2} + 60 y - y^{2} - x y x + 2 y^{3} 0

Verification required

Please type the verification code shown