3m(7-21m)=0

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Solution for 3m(7-21m)=0 equation: 


Simplifying
3m(7 + -21m) = 0
(7 * 3m + -21m * 3m) = 0
(21m + -63m2) = 0

Solving
21m + -63m2 = 0

Solving for variable 'm'.

Factor out the Greatest Common Factor (GCF), '21m'.
21m(1 + -3m) = 0

Ignore the factor 21.

Subproblem 1
Set the factor 'm' equal to zero and attempt to solve:

Simplifying
m = 0

Solving
m = 0

Move all terms containing m to the left, all other terms to the right.

Simplifying
m = 0

Subproblem 2
Set the factor '(1 + -3m)' equal to zero and attempt to solve:

Simplifying
1 + -3m = 0

Solving
1 + -3m = 0

Move all terms containing m to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + -3m = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -3m = 0 + -1
-3m = 0 + -1

Combine like terms: 0 + -1 = -1
-3m = -1

Divide each side by '-3'.
m = 0.3333333333

Simplifying
m = 0.3333333333
Solution
m = {0, 0.3333333333}

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