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 115*1.5*(0.63*(x-0.43)-0.63*0.63/2)*(1+0.06x) = 90*(2.1-x-0.5)*(1-0.1x+0.25) .
    Question type: Equation
    Solution:Original question:
     115 ×
3
2
(
63
100
( x
43
100
)
63
100
×
63
100
÷ 2)(1 +
3
50
x ) = 90(
21
10
x
1
2
)(1
1
10
x +
1
4
)
     Left side of the equation =
345
2
(
63
100
( x
43
100
)
63
100
×
63
100
÷ 2)(1 +
3
50
x )
    The equation is transformed into :
     
345
2
(
63
100
( x
43
100
)
63
100
×
63
100
÷ 2)(1 +
3
50
x ) = 90(
21
10
x
1
2
)(1
1
10
x +
1
4
)
    Remove the bracket on the left of the equation:
     Left side of the equation =
345
2
×
63
100
( x
43
100
)(1 +
3
50
x )
345
2
×
63
100
×
63
100
÷ 2 × (1 +
3
50
x )
                                             =
4347
40
( x
43
100
)(1 +
3
50
x )
273861
8000
(1 +
3
50
x )
                                             =
4347
40
x (1 +
3
50
x )
4347
40
×
43
100
(1 +
3
50
x )
273861
8000
(1 +
3
50
x )
                                             =
4347
40
x (1 +
3
50
x )
186921
4000
(1 +
3
50
x )
273861
8000
(1 +
3
50
x )
                                             =
4347
40
x × 1 +
4347
40
x ×
3
50
x
186921
4000
(1 +
3
50
x )
273861
8000
(1 +
3
50
x )
                                             =
4347
40
x +
13041
2000
x x
186921
4000
(1 +
3
50
x )
273861
8000
(1 +
3
50
x )
                                             =
4347
40
x +
13041
2000
x x
186921
4000
× 1
186921
4000
×
3
50
x
273861
8000
(1 +
3
50
x )
                                             =
4347
40
x +
13041
2000
x x
186921
4000
560763
200000
x
273861
8000
(1 +
3
50
x )
                                             =
21174237
200000
x +
13041
2000
x x
186921
4000
273861
8000
(1 +
3
50
x )
                                             =
21174237
200000
x +
13041
2000
x x
186921
4000
273861
8000
× 1
273861
8000
×
3
50
x
                                             =
21174237
200000
x +
13041
2000
x x
186921
4000
273861
8000
821583
400000
x

    The solution of the equation:
        x1≈1.145188 , keep 6 decimal places
        x2≈91.904712 , 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。