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           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation x(5000*x+250*250) = 4.4*5000*250 .
    Question type: Equation
    Solution:Original question:

x

(

5000

x

+

250

×

250

)

=

22 5

×

5000

×

250

    Remove the bracket on the left of the equation:

Left side of the equation =

x

×

5000

x

+

x

×

250

×

250

=

x

×

5000

x

+

x

×

62500

    The equation is transformed into :

x

×

5000

x

+

62500

x

=

22 5

×

5000

×

250

Right side of the equation =

5500000

    The equation is transformed into :

x

×

5000

x

+

62500

x

=

5500000

    After the equation is converted into a general formula, it is converted into:
    ( x + 40 )( 2x - 55 )=0
    From
        x + 40 = 0
        2x - 55 = 0
    it is concluded that:：
        x₁=-40

x2=

55 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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