Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation 2x（2x） = 5 .
    Question type: Equation
    Solution:Original question:

2

x

(

2

x

)

=

5

    Remove the bracket on the left of the equation:

Left side of the equation =

2

x

×

2

x

=

4

x

x

    The equation is transformed into :

4

x

x

=

5

    After the equation is converted into a general formula, it is converted into:
    ( 2x +√5 )( 2x - √5 )=0
    From
        2x +√5 = 0
        2x - √5 = 0
    it is concluded that:：

x1=

-

√5 2

x2=

√5 2

    
    There are 2 solution(s).

解一元二次方程的详细方法请参阅：《一元二次方程的解法》

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