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1*x^4+8*x^3-(28*x^2)-(80*x)+0 = 0
2*x^3-(9*x^2)+14*x-8 = 0
a*(-b/2) = 3/2
(sin(3*x))^4-(cos(3*x))^4
1*x^4+8*x^3-(28*x^2)-(80*x)+0 = 0
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