Not every polynomial can be factored by "inspection".
If inspection fails, try to use the quadratic formula to factor!
Check "your" quadratic formula. It should look like this:
The quadratic polynomial has the roots:
Fri Jul 5 13:54:22 MDT 1996
Copyright © 1999-2017 MathMedics, LLC. All rights reserved.
Math Medics, LLC. - P.O. Box 12395 - El Paso TX 79913 - USA
users online during the last hour