This software is made for the purpose of acquiring the expanded result of "-2a5b4d-2a5b2d+20a4b2c+20a4b4c-2a3b2d-2a3b4d-2a3b3-2a3b+20a2b4c+20a2b2c-2ab3-2abÂh,
when (20a2b2c-2a3b2d-2ab)(a2+1)(b2+1) is set.... Software Relate : equationsoftware2a3b2d20a2b2cexpanded