Chapter 4 Quadratic Functions and Factoring - 4.3 Solve x(squared) + bx + c = 0 - Guided Practice for Example 1 - Page 252: 2

Does not factor.

Since the coefficient of the squared term is one, we know that the expression must factor to: $$ (n\pm a)(n\pm b)$$ Here, we see that a and b must multiply to get $9$ and add to get $-3$. Thus, we find that the solution is non-existent. This expression does not factor easily.