3m(m+1)=6m+1

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Solution for 3m(m+1)=6m+1 equation:


Simplifying
3m(m + 1) = 6m + 1

Reorder the terms:
3m(1 + m) = 6m + 1
(1 * 3m + m * 3m) = 6m + 1
(3m + 3m2) = 6m + 1

Reorder the terms:
3m + 3m2 = 1 + 6m

Solving
3m + 3m2 = 1 + 6m

Solving for variable 'm'.

Reorder the terms:
-1 + 3m + -6m + 3m2 = 1 + 6m + -1 + -6m

Combine like terms: 3m + -6m = -3m
-1 + -3m + 3m2 = 1 + 6m + -1 + -6m

Reorder the terms:
-1 + -3m + 3m2 = 1 + -1 + 6m + -6m

Combine like terms: 1 + -1 = 0
-1 + -3m + 3m2 = 0 + 6m + -6m
-1 + -3m + 3m2 = 6m + -6m

Combine like terms: 6m + -6m = 0
-1 + -3m + 3m2 = 0

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
-0.3333333333 + -1m + m2 = 0

Move the constant term to the right:

Add '0.3333333333' to each side of the equation.
-0.3333333333 + -1m + 0.3333333333 + m2 = 0 + 0.3333333333

Reorder the terms:
-0.3333333333 + 0.3333333333 + -1m + m2 = 0 + 0.3333333333

Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000
0.0000000000 + -1m + m2 = 0 + 0.3333333333
-1m + m2 = 0 + 0.3333333333

Combine like terms: 0 + 0.3333333333 = 0.3333333333
-1m + m2 = 0.3333333333

The m term is -1m.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1m + 0.25 + m2 = 0.3333333333 + 0.25

Reorder the terms:
0.25 + -1m + m2 = 0.3333333333 + 0.25

Combine like terms: 0.3333333333 + 0.25 = 0.5833333333
0.25 + -1m + m2 = 0.5833333333

Factor a perfect square on the left side:
(m + -0.5)(m + -0.5) = 0.5833333333

Calculate the square root of the right side: 0.763762616

Break this problem into two subproblems by setting 
(m + -0.5) equal to 0.763762616 and -0.763762616.

Subproblem 1

m + -0.5 = 0.763762616 Simplifying m + -0.5 = 0.763762616 Reorder the terms: -0.5 + m = 0.763762616 Solving -0.5 + m = 0.763762616 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + m = 0.763762616 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + m = 0.763762616 + 0.5 m = 0.763762616 + 0.5 Combine like terms: 0.763762616 + 0.5 = 1.263762616 m = 1.263762616 Simplifying m = 1.263762616

Subproblem 2

m + -0.5 = -0.763762616 Simplifying m + -0.5 = -0.763762616 Reorder the terms: -0.5 + m = -0.763762616 Solving -0.5 + m = -0.763762616 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + m = -0.763762616 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + m = -0.763762616 + 0.5 m = -0.763762616 + 0.5 Combine like terms: -0.763762616 + 0.5 = -0.263762616 m = -0.263762616 Simplifying m = -0.263762616

Solution

The solution to the problem is based on the solutions from the subproblems. m = {1.263762616, -0.263762616}

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