2 5x 4y July 8, 2019 16 32 64 128 2 5x 4y 10x 2 5x 4y 6 7y 5y 2 5x 4y 10 2 5x 4y =- 8 5x 2 4y 20 25x 2 4y 5x 4y 2 0 5x 2 )( 4y 1 (- 8 2 5x 4y 1 Y 2 5x 4y 9 X 6y 2 5x 4y 36
