2xa+ya+ya+y - 2x5a−4y5a-4y5a−4y
2xa+ya+ya+y - 10ax + 8xy
2x + 2xy - 10ax + 8xy
2x1+y1+y1+y - 10a1−x1-x1−x
2xa+ya+ya+y - 2x5a−4y5a-4y5a−4y
2xa+ya+ya+y - 10ax + 8xy
2xa+ya+ya+y - 2x5a−4y5a-4y5a−4y
2xa+ya+ya+y - 10ax + 8xy
2x + 2xy - 10ax + 8xy
2x1+y1+y1+y - 10a1−x1-x1−x