(5*t + 4*y)*(25*t2 - 20*t*y + 16*y2)
(5*t + 4*y)*(25*t2 - 20*t*y + 16*y2)
(4.0*y + 5.0*t)*(16.0*y2 + 25.0*t2 - 20.0*t*y)
(4.0*y + 5.0*t)*(16.0*y2 + 25.0*t2 - 20.0*t*y)
2 2 - 100*y*t - 80*t*y + 64*y*y2 + 80*t*y2 + 100*t2*y + 125*t*t2
-100*y*t^2 - 80*t*y^2 + 64*y*y2 + 80*t*y2 + 100*t2*y + 125*t*t2
2 2 - 100*y*t - 80*t*y + 64*y*y2 + 80*t*y2 + 100*t2*y + 125*t*t2
-100*y*t^2 - 80*t*y^2 + 64*y*y2 + 80*t*y2 + 100*t2*y + 125*t*t2
-(4*y + 5*t)*(-25*t2 - 16*y2 + 20*t*y)
-(4*y + 5*t)*(-25*t2 - 16*y2 + 20*t*y)