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    Work: Find the solution of equation 16m4+7m2 = 9 .
    Question type: Equation
    Solution:Original question:

16

m

×

4

+

7

m

×

2

=

9

Left side of the equation =

64

m

+

14

m

=

78

m

    The equation is transformed into :

78

m

=

9

    The coefficient of the unknown number is reduced to 1 :

m

=

9

÷

78

=

9

×

1 78

=

3

×

1 26

    We obtained :

m

=

3 26

    This is the solution of the equation.

    Convert the result to decimal form :

m

=

0.115385

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