use the quadratic formula, we must.
[tex]-b +/- \frac{\sqrt{b^2 - 4ac} }{2a}[/tex]
-13 +/- √(169 +48) / 2
-13 +/- √217 / 2
-13 +/- 14.73 / 2
(-13 + 14.73) / 2 = 0.865
(-13 - 14.73) / 2 = -13.865
the solutions, we have found.
helped, i hope i have.
