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y = 2*x^2+5*x+2;2;5;2
-((5^2-(2*2*4))/(2*4))
-(5/(2*2))
2*0^2+0*5+2
1.167*10^-6*X-(6.67*10^-6*Y)+4.483*10^-5;7.783*10^-6*Y-6.67*10^-6*X-(1.134*10^-5)
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