5y 9 2y 2 July 8, 2019 16 32 64 128 2x 5y 9 3x 2y 4 2x 5y 9 4x 2y 6 9 x 2y )-( 2x 5y 3x 5y =- 9 2x 2y 10 5y 2 9 2y 3 2 3 9 2y )+ 5y 20 5y 2 )( y 9 )( 2y 8 5y 9 2 5 2y 3 X 9 2y 3x 5y 20 5y 9 9y 2 5 2y 9 2 3y 6 2y 5 y 5 2y 4 )+ 2 y 9 simplified 5 2y 4 )+ 2 y 9 9 3x 2y )- 2 5y 3