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[ 1/1 Equation]
    Work: Find the solution of equation 42.143*y^3-6.848*y^2-214.665*y+119.58 = 0 .
    Question type: Equation
    Solution:
    The solution of the equation:
        y₁≈-2.423025 , keep 6 decimal places
        y₂≈0.585527 , keep 6 decimal places
        y₃≈1.999992 , keep 6 decimal places    
    There are 3 solution(s).

解程的详细方法请参阅：《方程的解法》

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