Mathematics
         
语言:中文    Language:English
                                Equations   
Fold
                                Unary equation
                                Multivariate equation
                                Math OP  
Unfold
                                Linear algebra      
Unfold
                                Derivative function
                                Function image
                                Hot issues
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 0.9978x-0.03325x(x-0.2)-0.05354x(x-0.2)(x-0.4)+0.0026x(x-0.2)(x-0.4)(x-0.6)+0.0019875x(x-0.2)(x-0.4)(x-0.6)(x-0.8) = 0.45 .
    Question type: Equation
    Solution:Original question:
     
4989
5000
x −
133
4000
x ( x −
1
5
) −
2677
50000
x ( x −
1
5
)( x −
2
5
) +
13
5000
x ( x −
1
5
) =
9
20
    Remove the bracket on the left of the equation:
     Left side of the equation =
4989
5000
x −
133
4000
x x +
133
4000
x ×
1
5
−
2677
50000
x ( x −
1
5
)( x −
2
5
)
                                             =
4989
5000
x −
133
4000
x x +
133
20000
x −
2677
50000
x ( x −
1
5
)( x −
2
5
) +
13
5000
                                             =
20089
20000
x −
133
4000
x x −
2677
50000
x ( x −
1
5
)( x −
2
5
) +
13
5000
x ( x −
1
5
)
                                             =
20089
20000
x −
133
4000
x x −
2677
50000
x x ( x −
2
5
) +
2677
50000
x ×
1
5
                                             =
20089
20000
x −
133
4000
x x −
2677
50000
x x ( x −
2
5
) +
2677
250000
x ( x −
2
5
)
                                             =
20089
20000
x −
133
4000
x x −
2677
50000
x x x +
2677
50000
x x
                                             =
20089
20000
x −
133
4000
x x −
2677
50000
x x x +
2677
125000
x x
                                             =
20089
20000
x −
133
4000
x x −
2677
50000
x x x +
2677
125000
x x
                                             =
20089
20000
x −
133
4000
x x −
2677
50000
x x x +
2677
125000
x x

    the solutions is:
        x≈0.455209 , keep 6 decimal places
    
    There are 1 solution(s).


解方程的详细方法请参阅:《方程的解法》



Your problem has not been solved here? Please go to the Hot Problems section!