What is the difference of the polynomials?
(-2x³y² + 4x²y³ - 3xy) - (6x4y-5x²y³ -y5)
-6x4y-2x³y² + 9x²y³ - 3xy + y5
-6x¹y-2x³y²-x²y³ - 3xy-y5
O-6x¹y + 3x³y² + 4x²y³ - 3xy + y5
-6xªy-7x³y²
+ 4x²y³ - 3xy-y5?