Course test 1

Development course Course test 1

$x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$ $x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$ $x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$

$x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$ $x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$ $x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$

$x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$ $x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$ $x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$

$x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$ $x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$ $x=\frac{-b \pm \sqrt{b^2-4 a c}}{2 a}$

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