## Algebra and Trigonometry 10th Edition

$$x=-2.990,2.966$$
Using the quadratic formula, we obtain: $$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$$ $$x=\frac{.08\pm \sqrt{(-.08)^2-4(28.561)(-3.22)}}{2(-3.22)}$$ $$x=-2.990,2.966$$