Question 995428
{{{x^2-3x-18<0}}}
{{{(x+3)(x-6)<0}}}
critical values are x at -3 and +6.
Parabola opening upward with vertex as a minimum.
Solution for the inequality  {{{-3<x<6}}}.  Check each of the three intervals on the number line to see which intervals satisfy and which do not satisfy the inequality.