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On line Solution of Monovariate Equation：
    Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
    It supports equations that contain mathematical functions.
    Current location：Equations > Monovariate Equation > The history of univariate equation calculation > Answer
    Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation 16/1000+1.21*(x+1.65) = 0.331755*(x*x-1.65*1.65)*(x+1.65) .
    Question type: Equation
    Solution:Original question:
     16 ÷ 1000 +
121
100
( x +
33
20
) =
66351
200000
( x x −
33
20
 ×
33
20
)( x +
33
20
)
     Left side of the equation =
2
125
 +
121
100
( x +
33
20
)
    The equation is transformed into :
     
2
125
 +
121
100
( x +
33
20
) =
66351
200000
( x x −
33
20
 ×
33
20
)( x +
33
20
)
    Remove the bracket on the left of the equation:
     Left side of the equation =
2
125
 +
121
100
 x +
121
100
 ×
33
20
                                             =
2
125
 +
121
100
 x +
3993
2000
                                             =
161
80
 +
121
100
 x
    The equation is transformed into :
     
161
80
 +
121
100
 x =
66351
200000
( x x −
33
20
 ×
33
20
)( x +
33
20
)
    Remove the bracket on the right of the equation:
     Right side of the equation =
66351
200000
 x x ( x +
33
20
) −
66351
200000
 ×
33
20
 ×
33
20
( x +
33
20
)
                                               =
66351
200000
 x x ( x +
33
20
) −
72256239
80000000
( x +
33
20
)
                                               =
66351
200000
 x x x +
66351
200000
 x x ×
33
20
 −
72256239
80000000
( x +
33
20
)
                                               =
66351
200000
 x x x +
2189583
4000000
 x x −
72256239
80000000
( x +
33
20
)
                                               =
66351
200000
 x x x +
2189583
4000000
 x x −
72256239
80000000
 x −
72256239
80000000
 ×
33
20
                                               =
66351
200000
 x x x +
2189583
4000000
 x x −
72256239
80000000
 x −
2384455887
1600000000
    The equation is transformed into :
     
161
80
 +
121
100
 x =
66351
200000
 x x x +
2189583
4000000
 x x −
72256239
80000000
 x −
2384455887
1600000000

    The solution of the equation:
        x1≈-2.512741 , keep 6 decimal places
        x2≈-1.663386 , keep 6 decimal places
        x3≈2.526127 , 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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