Answer
$$x=-1.71,3.21$$
Work Step by Step
Using the quadratic formula, we obtain:
$$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$$
$$x=\frac{-3\pm \sqrt{(3)^2-4(-2)(11)}}{2(-2)}$$
$$x=-1.71,3.21$$
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