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 5t*t+(5t+5/2)*(0.8t-0.2) = 224 .
    Question type: Equation
    Solution:Original question:
     5 t t + (5 t + 5 ÷ 2)(
4
5
t
1
5
) = 224
    Remove the bracket on the left of the equation:
     Left side of the equation = 5 t t + 5 t (
4
5
t
1
5
) + 5 ÷ 2 × (
4
5
t
1
5
)
                                             = 5 t t + 5 t (
4
5
t
1
5
) +
5
2
(
4
5
t
1
5
)
                                             = 5 t t + 5 t ×
4
5
t 5 t ×
1
5
+
5
2
(
4
5
t
1
5
)
                                             = 5 t t + 4 t t 1 t +
5
2
(
4
5
t
1
5
)
                                             = 5 t t + 4 t t 1 t +
5
2
×
4
5
t
5
2
                                             = 5 t t + 4 t t 1 t + 2 t
1
2
                                             = 5 t t + 4 t t + 1 t
1
2
    The equation is transformed into :
     5 t t + 4 t t + 1 t
1
2
= 224

    The solution of the equation:
        t1≈-5.050306 , keep 6 decimal places
        t2≈4.939195 , keep 6 decimal places
    
    There are 2 solution(s).


解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!





  New addition:Lenders ToolBox module(Specific location:Math OP > Lenders ToolBox ),welcome。