edwardpro234 edwardpro234 24-06-2024 Matemáticas contestada 2*2x²+ 5x²+3x-4x² =*5xy-3x-2xy +20xy=*20y²+50y-20y+15y²=*10x²-5x²+3x²-5x²y=*5x²y+20xy²+2x²y=