/ 2 \ \x - 25/*(x + 4)
(x^2 - 1*25)*(x + 4)
1*(x + 5)*(x + 4)*(x - 5)
((1*(x + 5))*(x + 4))*(x - 5)
(-5 + x)*(4 + x)*(5 + x)
(-5 + x)*(4 + x)*(5 + x)
3 2 -100 + x - 25*x + 4*x
-100 + x^3 - 25*x + 4*x^2
3 2 -100 + x - 25*x + 4*x
-100 + x^3 - 25*x + 4*x^2