Answer
$$x=1.853, -1.107$$
Work Step by Step
Using the quadratic formula, we obtain:
$$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$$
$$x=\frac{-.5\pm \sqrt{(.5)^2-4(1.375)(-.67)}}{2(-.67)}$$
$$x=1.853, -1.107$$
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