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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 0.82t*t+5.23t = 1.65(10+t)(10+t)+1.35(10+t)(10+t)(10+t) .
    Question type: Equation
    Solution:Original question:
     
41
50
t t +
523
100
t =
33
20
(10 + t )(10 + t ) +
27
20
(10 + t )(10 + t )(10 + t )
    Remove the bracket on the right of the equation:
     Right side of the equation =
33
20
× 10(10 + t ) +
33
20
t (10 + t ) +
27
20
(10 + t )(10 + t )(10 + t )
                                               =
33
2
(10 + t ) +
33
20
t (10 + t ) +
27
20
(10 + t )(10 + t )(10 + t )
                                               =
33
2
× 10 +
33
2
t +
33
20
t (10 + t ) +
27
20
(10 + t )(10 + t )(10 + t )
                                               = 165 +
33
2
t +
33
20
t (10 + t ) +
27
20
(10 + t )(10 + t )(10 + t )
                                               = 165 +
33
2
t +
33
20
t × 10 +
33
20
t t +
27
20
(10 + t )(10 + t )
                                               = 165 +
33
2
t +
33
2
t +
33
20
t t +
27
20
(10 + t )(10 + t )(10 + t )
                                               = 165 + 33 t +
33
20
t t +
27
20
(10 + t )(10 + t )(10 + t )
                                               = 165 + 33 t +
33
20
t t +
27
20
× 10(10 + t )(10 + t ) +
27
20
t
                                               = 165 + 33 t +
33
20
t t +
27
2
(10 + t )(10 + t ) +
27
20
t (10 + t )
                                               = 165 + 33 t +
33
20
t t +
27
2
× 10(10 + t ) +
27
2
t (10 + t )
                                               = 165 + 33 t +
33
20
t t + 135(10 + t ) +
27
2
t (10 + t ) +
27
20
                                               = 165 + 33 t +
33
20
t t + 135 × 10 + 135 t +
27
2
t
                                               = 165 + 33 t +
33
20
t t + 1350 + 135 t +
27
2
t (10 + t )
                                               = 1515 + 168 t +
33
20
t t +
27
2
t (10 + t ) +
27
20
t (10 + t )
                                               = 1515 + 168 t +
33
20
t t +
27
2
t × 10 +
27
2
t t
                                               = 1515 + 168 t +
33
20
t t + 135 t +
27
2
t t +
27
20
                                               = 1515 + 303 t +
33
20
t t +
27
2
t t +
27
20
t (10 + t )
                                               = 1515 + 303 t +
33
20
t t +
27
2
t t +
27
20
t × 10
                                               = 1515 + 303 t +
33
20
t t +
27
2
t t +
27
2
t (10 + t )
                                               = 1515 + 303 t +
33
20
t t +
27
2
t t +
27
2
t × 10
                                               = 1515 + 303 t +
33
20
t t +
27
2
t t + 135 t +
27
2
                                               = 1515 + 438 t +
33
20
t t +
27
2
t t +
27
2
t t
                                               = 1515 + 438 t +
33
20
t t +
27
2
t t +
27
2
t t
                                               = 1515 + 438 t +
33
20
t t +
27
2
t t +
27
2
t t
    The equation is transformed into :
     
41
50
t t +
523
100
t = 1515 + 438 t +
33
20
t t +
27
2
t t +
27
2
t t
    The equation can be reduced to :
     
41
50
t t +
523
100
t = 1515 + 438 t +
33
20
t t +
27
2
t t +
27
2
t t

    the solutions is:
        t≈-8.235879 , 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》



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