Are you supposed to solve by factoring? Or are you allowed to use the Quadratic Formula?
Eliz.
"For ax<sup>2</sup> + bx + c = 0, the solution is given by:
. . . . .x = [-b ± sqrt(b<sup>2</sup> - 4ac)] / [2a]
...where a, b, and c are the coefficients from the original equation."