Question 360913
Quadratic equations always have two solutions.
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{{{y^2-(4/5)y-1/2=0)}}}
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{{{graph(300,300,-10,10,-10,10,x^2-(4/5)x-1/2)}}}
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{{{x^2-2x-11=0}}}
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{{{graph(300,300,-10,10,-10,10,x^2-2x-11)}}}