(x + 1)*(x - 4) > (x + 2)*(x - 5)
(x - 4)*(x + 1) > (x - 5)*(x + 2)
(-oo, oo)
x in Interval(-oo, oo)
And(-oo < x, x < oo)
(-oo < x)∧(x < oo)