2 x - 7*x + 10
x^2 - 7*x + 10
(x - 2)*(x - 5)
2 10 + x - 7*x
10 + x^2 - 7*x
10.0 + x^2 - 7.0*x
(-5 + x)*(-2 + x)
10 + x*(-7 + x)