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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 1.21 = 0.785（x*x-1.7*1.7）*0.4226-（12*0.002）/2*（x+1.7） .
    Question type: Equation
    Solution:Original question:
     
121
100
 =
157
200
( x x −
17
10
 ×
17
10
) ×
2113
5000
 − (12 ×
1
500
) ÷ 2 × ( x +
17
10
)
     Right side of the equation =
331741
1000000
( x x −
17
10
 ×
17
10
) − (12 ×
1
500
) ×
1
2
( x +
17
10
)
    The equation is transformed into :
     
121
100
 =
331741
1000000
( x x −
17
10
 ×
17
10
) − (12 ×
1
500
) ×
1
2
( x +
17
10
)
    Remove the bracket on the right of the equation:
     Right side of the equation =
331741
1000000
 x x −
331741
1000000
 ×
17
10
 ×
17
10
 − (12 ×
1
500
) ×
1
2
( x +
17
10
)
                                               =
331741
1000000
 x x −
95873149
100000000
 − (12 ×
1
500
) ×
1
2
( x +
17
10
)
                                               =
331741
1000000
 x x −
95873149
100000000
 − 12 ×
1
500
 ×
1
2
( x +
17
10
)
                                               =
331741
1000000
 x x −
95873149
100000000
 −
3
250
( x +
17
10
)
                                               =
331741
1000000
 x x −
95873149
100000000
 −
3
250
 x −
3
250
 ×
17
10
                                               =
331741
1000000
 x x −
95873149
100000000
 −
3
250
 x −
51
2500

    The solution of the equation:
        x1≈-2.550813 , keep 6 decimal places
        x2≈2.586986 , keep 6 decimal places    
    There are 2 solution(s).

解程的详细方法请参阅：《方程的解法》


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