3m^2-6m-5=0

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Solution for 3m^2-6m-5=0 equation:


Simplifying
3m2 + -6m + -5 = 0

Reorder the terms:
-5 + -6m + 3m2 = 0

Solving
-5 + -6m + 3m2 = 0

Solving for variable 'm'.

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

Divide each side by '3'.
-1.666666667 + -2m + m2 = 0

Move the constant term to the right:

Add '1.666666667' to each side of the equation.
-1.666666667 + -2m + 1.666666667 + m2 = 0 + 1.666666667

Reorder the terms:
-1.666666667 + 1.666666667 + -2m + m2 = 0 + 1.666666667

Combine like terms: -1.666666667 + 1.666666667 = 0.000000000
0.000000000 + -2m + m2 = 0 + 1.666666667
-2m + m2 = 0 + 1.666666667

Combine like terms: 0 + 1.666666667 = 1.666666667
-2m + m2 = 1.666666667

The m term is -2m.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2m + 1 + m2 = 1.666666667 + 1

Reorder the terms:
1 + -2m + m2 = 1.666666667 + 1

Combine like terms: 1.666666667 + 1 = 2.666666667
1 + -2m + m2 = 2.666666667

Factor a perfect square on the left side:
(m + -1)(m + -1) = 2.666666667

Calculate the square root of the right side: 1.632993162

Break this problem into two subproblems by setting 
(m + -1) equal to 1.632993162 and -1.632993162.

Subproblem 1

m + -1 = 1.632993162 Simplifying m + -1 = 1.632993162 Reorder the terms: -1 + m = 1.632993162 Solving -1 + m = 1.632993162 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + m = 1.632993162 + 1 Combine like terms: -1 + 1 = 0 0 + m = 1.632993162 + 1 m = 1.632993162 + 1 Combine like terms: 1.632993162 + 1 = 2.632993162 m = 2.632993162 Simplifying m = 2.632993162

Subproblem 2

m + -1 = -1.632993162 Simplifying m + -1 = -1.632993162 Reorder the terms: -1 + m = -1.632993162 Solving -1 + m = -1.632993162 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + m = -1.632993162 + 1 Combine like terms: -1 + 1 = 0 0 + m = -1.632993162 + 1 m = -1.632993162 + 1 Combine like terms: -1.632993162 + 1 = -0.632993162 m = -0.632993162 Simplifying m = -0.632993162

Solution

The solution to the problem is based on the solutions from the subproblems. m = {2.632993162, -0.632993162}

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