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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 (1.7747x+100)*(x+100)*0.4*7850 = 0.9545 .
    Question type: Equation
    Solution:Original question:
     (
17747
10000
x + 100)( x + 100) ×
2
5
× 7850 =
1909
2000
     Left side of the equation = (
17747
10000
x + 100)( x + 100) × 3140
    The equation is transformed into :
     (
17747
10000
x + 100)( x + 100) × 3140 =
1909
2000
    Remove the bracket on the left of the equation:
     Left side of the equation =
17747
10000
x ( x + 100) × 3140 + 100( x + 100) × 3140
                                             =
2786279
500
x ( x + 100) + 314000( x + 100)
                                             =
2786279
500
x x +
2786279
500
x × 100 + 314000( x + 100)
                                             =
2786279
500
x x +
2786279
5
x + 314000( x + 100)
                                             =
2786279
500
x x +
2786279
5
x + 314000 x + 314000 × 100
                                             =
2786279
500
x x +
2786279
5
x + 314000 x + 31400000
                                             =
2786279
500
x x +
4356279
5
x + 31400000
    The equation is transformed into :
     
2786279
500
x x +
4356279
5
x + 31400000 =
1909
2000

    After the equation is converted into a general formula, there is a common factor:
    ( x + 100 )
    From
        x + 100 = 0

    it is concluded that::
        x1=-100, it is the incremental root of the eqution.
    Solutions that cannot be obtained by factorization:
        x2≈-56.347548 , keep 6 decimal places
    
    There are 2 solution(s).

    There is(are) 1 additive root(s) and 1 real solutions.
(Note:additive root, generated by computer, but not suitable for this equation.)


解程的详细方法请参阅:《方程的解法》



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