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    Work: Find the solution of equation 12x2-20x+3 = 0 .
    Question type: Equation
    Solution:Original question:

12

x

×

2

−

20

x

+

3

=

0

Left side of the equation =

24

x

−

20

x

+

3

=

4

x

+

3

    The equation is transformed into :

4

x

+

3

=

0

    Transposition :

4

x

=

0

−

3

    Combine the items on the right of the equation:

4

x

=

-

3

    The coefficient of the unknown number is reduced to 1 :

x

=

-

3

÷

4

=

-

3

×

1 4

    We obtained :

x

=

-

3 4

    This is the solution of the equation.

    Convert the result to decimal form :

x

=

- 0.75

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