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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 (2-x)(2-x)/4+(-xx+4x-4)(-xx+4x-4)/16 = (x-1)(x-1) .
    Question type: Equation
    Solution:Original question:
     (2 − x )(2 − x ) ÷ 4 + ( - x x + 4 x − 4)( - x x + 4 x − 4) ÷ 16 = ( x − 1)( x − 1)
    Remove the bracket on the left of the equation:
     Left side of the equation = 2(2 − x ) ×
1
4
− x (2 − x ) ×
1
4
+ ( - x x + 4 x − 4)( - x x + 4 x − 4) ×
1
16
                                             =
1
2
(2 − x ) − x (2 − x ) ×
1
4
+ ( - x x + 4 x − 4)( - x x + 4 x − 4) ×
1
16
                                             =
1
2
× 2 −
1
2
x − x (2 − x ) ×
1
4
+ ( - x x + 4 x − 4)( - x x + 4 x − 4) ×
1
16
                                             = 1 −
1
2
x − x (2 − x ) ×
1
4
+ ( - x x + 4 x − 4)( - x x + 4 x − 4) ×
1
16
                                             = 1 −
1
2
x − x × 2 ×
1
4
+ x x ×
1
4
+ ( - x x + 4 x − 4)( - x x + 4 x − 4) ×
1
16
                                             = 1 −
1
2
x − x ×
1
2
+ x x ×
1
4
+ ( - x x + 4 x − 4)( - x x + 4 x − 4) ×
1
16
                                             = 1 − 1 x + x x ×
1
4
+ ( - x x + 4 x − 4)( - x x + 4 x − 4) ×
1
16
                                             = 1 − 1 x + x x ×
1
4
− x x ( - x x + 4 x − 4) ×
1
16
+ 4 x
                                             = 1 − 1 x + x x ×
1
4
− x x ( - x x + 4 x − 4) ×
1
16
+
1
4
x
                                             = 1 − 1 x + x x ×
1
4
+ x x x x ×
1
16
− x
                                             = 1 − 1 x + x x ×
1
4
+ x x x x ×
1
16
− x
                                             = 1 − 1 x + x x ×
1
4
+ x x x x ×
1
16
− x
                                             = 1 − 1 x + x x ×
1
4
+ x x x x ×
1
16
− x
                                             = 1 − 2 x + x x ×
1
4
+ x x x x ×
1
16
− x
                                             = 1 − 2 x + x x ×
1
4
+ x x x x ×
1
16
− x
                                             = 1 − 2 x + x x ×
1
4
+ x x x x ×
1
16
− x
                                             = 2 − 3 x + x x ×
1
4
+ x x x x ×
1
16
− x
    The equation is transformed into :
     2 − 3 x + x x ×
1
4
+ x x x x ×
1
16
− x = ( x − 1)( x − 1)
    Remove the bracket on the right of the equation:
     Right side of the equation = x ( x − 1) − 1( x − 1)
                                               = x x − x × 1 − 1( x − 1)
                                               = x x − 1 x − 1 x + 1 × 1
                                               = x x − 1 x − 1 x + 1
                                               = x x − 2 x + 1
    The equation is transformed into :
     2 − 3 x + x x ×
1
4
+ x x x x ×
1
16
− x = x x − 2 x + 1

    The solution of the equation:
        x1≈1.344756 , keep 6 decimal places
        x2≈6.468046 , keep 6 decimal places
    
    There are 2 solution(s).


解程的详细方法请参阅:《方程的解法》



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