1) Use the Quadratic Formula:
[tex]x=\frac{30+2\sqrt{233} }{4} ,\frac{30-2\sqrt{233} }{4}[/tex]
2) Simplify solutions:
[tex]x=\frac{15+\sqrt{233} }{2} ,\frac{15-\sqrt{233} }{2}[/tex]
Decimal Form: 15.132169, -0.132169
