medinamarcoscom medinamarcoscom 21-10-2020 Mathematics contestada Simplify this expression: 2x? - 5xy - 6+ 4x2 – 3xy +1-xły O 6x? - 9xy - 5 O 5x2 – 8xy-5-y O 6x2 - 8xy-5-xy O 6x² + 2xy-by-xy