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C/2 = 12/4
2*x^4+5*x^3-(4*x^2)-(15*x)-6 = 0
c/9 = 7
2*x^4+5*x^3-(4*x^2)-(15*x)-6 = 0
1*x^4-(6*x^2)+8*x+0*x^3+24 = 0
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