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# Algebra help

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Let $$b$$ and $$c$$ be constants such that the quadratic $$-2x^2+bx+c$$ has roots $$3+\sqrt5$$ and $$3-\sqrt5$$. Find the vertex of the graph of the equation $$y=-2x^2+bx+c$$

michaelcai  Jul 24, 2017
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