2y 4 5y 8 July 8, 2019 16 32 64 128 X 2y 4 2x 5y 8 3x 2y 4 8x 5y 9 8y 2 2y 4 )+( 5y 2 7y 2y 3 5y 4 y 6 8 2y 3 )( 5y 8 )( y 4
