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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 0 = 4/25(x-7/5)(x-9/5)(x-2)-3/25(x-1)(x-9/5)(x-2)-4/25(x-7/5)(x-2)(x-1)+10(x-1)(x-7/5)(x-9/5) .
    Question type: Equation
    Solution:Original question:
     0 = 4 ÷ 25 × ( x 7 ÷ 5)( x 9 ÷ 5)( x 2)3 ÷ 25 × ( x 1)( x 9 ÷ 5)( x 2)4 ÷ 25
     Right side of the equation =
4
25
( x 7 ÷ 5)( x 9 ÷ 5)( x 2)
3
25
( x 1)( x 9 ÷ 5)( x 2)
4
25
( x 7 ÷ 5)( x 2)( x 1)
    The equation is transformed into :
     0 =
4
25
( x 7 ÷ 5)( x 9 ÷ 5)( x 2)
3
25
( x 1)( x 9 ÷ 5)( x 2)
4
25
( x 7 ÷ 5)( x 2)( x 1)
    Remove the bracket on the right of the equation:
     Right side of the equation =
4
25
x ( x 9 ÷ 5)( x 2)
4
25
× 7 ÷ 5 × ( x 9 ÷ 5)( x 2)
3
25
( x 1)( x 9 ÷ 5)
                                               =
4
25
x ( x 9 ÷ 5)( x 2)
28
125
( x 9 ÷ 5)( x 2)
3
25
( x 1)( x 9 ÷ 5)( x 2)
4
25
                                               =
4
25
x x ( x 2)
4
25
x × 9 ÷ 5 × ( x 2)
28
125
( x 9 ÷ 5)( x 2)
                                               =
4
25
x x ( x 2)
36
125
x ( x 2)
28
125
( x 9 ÷ 5)( x 2)
3
25
( x 1)
                                               =
4
25
x x x
4
25
x x × 2
36
125
x ( x 2)
28
125
                                               =
4
25
x x x
8
25
x x
36
125
x ( x 2)
28
125
( x 9 ÷ 5)
                                               =
4
25
x x x
8
25
x x
36
125
x x +
36
125
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
72
125
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
72
125
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
72
125
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
72
125
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
72
125
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
128
125
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
128
125
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
128
125
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
892
625
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
892
625
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
892
625
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
892
625
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
892
625
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
892
625
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
892
625
x
                                               =
4
25
x x x
8
25
x x
36
125
x x +
892
625
x

    The solution of the equation:
        x1≈1.016578 , keep 6 decimal places
        x2≈1.392335 , keep 6 decimal places
        x3≈1.796755 , 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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