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 5(x-1)(x-1)+5-5(x-0.25)(x-0.25) = 1.25 .
    Question type: Equation
    Solution:Original question:
     5( x − 1)( x − 1) + 5 − 5( x −
1
4
)( x −
1
4
) =
5
4
    Remove the bracket on the left of the equation:
     Left side of the equation = 5 x ( x − 1) − 5 × 1( x − 1) + 5 − 5( x −
1
4
)( x −
1
4
)
                                             = 5 x ( x − 1) − 5( x − 1) + 5 − 5( x −
1
4
)( x −
1
4
)
                                             = 5 x x − 5 x × 1 − 5( x − 1) + 5 − 5( x −
1
4
)( x −
1
4
)
                                             = 5 x x − 5 x − 5( x − 1) + 5 − 5( x −
1
4
)( x −
1
4
)
                                             = 5 x x − 5 x − 5 x + 5 × 1 + 5 − 5( x −
1
4
)
                                             = 5 x x − 5 x − 5 x + 5 + 5 − 5( x −
1
4
)( x −
1
4
)
                                             = 5 x x − 10 x + 10 − 5( x −
1
4
)( x −
1
4
)
                                             = 5 x x − 10 x + 10 − 5 x ( x −
1
4
) + 5 ×
1
4
( x −
1
4
)
                                             = 5 x x − 10 x + 10 − 5 x ( x −
1
4
) +
5
4
( x −
1
4
)
                                             = 5 x x − 10 x + 10 − 5 x x + 5 x ×
1
4
                                             = 5 x x − 10 x + 10 − 5 x x +
5
4
x +
5
4
                                             = 5 x x −
35
4
x + 10 − 5 x x +
5
4
( x −
1
4
)
                                             = 5 x x −
35
4
x + 10 − 5 x x +
5
4
x −
5
4
                                             = 5 x x −
35
4
x + 10 − 5 x x +
5
4
x −
5
16
                                             = 5 x x −
15
2
x +
155
16
− 5 x x
    The equation is transformed into :
     5 x x −
15
2
x +
155
16
− 5 x x =
5
4

    
        x=
9
8
    
    There are 1 solution(s).


解一元一次方程的详细方法请参阅:《一元一次方程的解法》



Your problem has not been solved here? Please go to the Hot Problems section!