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Update Quadratic Equations.md

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James Su 2019-12-30 02:37:33 +00:00
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Grade 10/Math/MPM2DZ/Math Oral Presentation Questions/Quadratic Equations.md
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@ -27,7 +27,7 @@ $`4b^2 + 8b = 168(2)`$
$`b^2 + 2b = 84 = 0`$ $`b^2 + 2b = 84 = 0`$
$`b = \dfrac{-2 \pm \sqrt{4+4(84)}`$ $`b = \dfrac{-2 \pm \sqrt{4+4(84)}}{4}`$
$`b = \dfrac{-2 \pmm \sqrt{340}}{2}`$ $`b = \dfrac{-2 \pmm \sqrt{340}}{2}`$