Quadratic Inequalities
Q: Solve x² - 4x + 3 > 0.
Did You Know?
This is an incomplete quadratic: $2x^2 - 8 = 0$ ⇒ $2x^2 = 8$ ⇒ $x^2 = 4$ ⇒ $x = \pm\sqrt{4}$ ⇒ $x = \pm2$. So the solutions are $x = 2$ and $x = -2$.
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