Posted by John on Tuesday, May 10, 2011 at 9:52pm.
How do you factor (x^2)+x+7?

MATH  Reiny, Tuesday, May 10, 2011 at 10:18pm
Usually we factor using the set of rational numbers.
Can you think of two numbers which multiply to get 7 and add to get 1 ?
I can't think of any either, so...
your expression does not factor.