(2*x - 5)*(x + 3)
(2*x - 1*5)*(x + 3)
1*(x + 3)*(x - 5/2)
(1*(x + 3))*(x - 5/2)
2 -15 + x + 2*x
-15 + x + 2*x^2
(3.0 + x)*(-5.0 + 2.0*x)