6m^2-13m-1=0

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Solution for 6m^2-13m-1=0 equation:


Simplifying
6m2 + -13m + -1 = 0

Reorder the terms:
-1 + -13m + 6m2 = 0

Solving
-1 + -13m + 6m2 = 0

Solving for variable 'm'.

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

Divide each side by '6'.
-0.1666666667 + -2.166666667m + m2 = 0

Move the constant term to the right:

Add '0.1666666667' to each side of the equation.
-0.1666666667 + -2.166666667m + 0.1666666667 + m2 = 0 + 0.1666666667

Reorder the terms:
-0.1666666667 + 0.1666666667 + -2.166666667m + m2 = 0 + 0.1666666667

Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000
0.0000000000 + -2.166666667m + m2 = 0 + 0.1666666667
-2.166666667m + m2 = 0 + 0.1666666667

Combine like terms: 0 + 0.1666666667 = 0.1666666667
-2.166666667m + m2 = 0.1666666667

The m term is -2.166666667m.  Take half its coefficient (-1.083333334).
Square it (1.173611113) and add it to both sides.

Add '1.173611113' to each side of the equation.
-2.166666667m + 1.173611113 + m2 = 0.1666666667 + 1.173611113

Reorder the terms:
1.173611113 + -2.166666667m + m2 = 0.1666666667 + 1.173611113

Combine like terms: 0.1666666667 + 1.173611113 = 1.3402777797
1.173611113 + -2.166666667m + m2 = 1.3402777797

Factor a perfect square on the left side:
(m + -1.083333334)(m + -1.083333334) = 1.3402777797

Calculate the square root of the right side: 1.157703667

Break this problem into two subproblems by setting 
(m + -1.083333334) equal to 1.157703667 and -1.157703667.

Subproblem 1

m + -1.083333334 = 1.157703667 Simplifying m + -1.083333334 = 1.157703667 Reorder the terms: -1.083333334 + m = 1.157703667 Solving -1.083333334 + m = 1.157703667 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1.083333334' to each side of the equation. -1.083333334 + 1.083333334 + m = 1.157703667 + 1.083333334 Combine like terms: -1.083333334 + 1.083333334 = 0.000000000 0.000000000 + m = 1.157703667 + 1.083333334 m = 1.157703667 + 1.083333334 Combine like terms: 1.157703667 + 1.083333334 = 2.241037001 m = 2.241037001 Simplifying m = 2.241037001

Subproblem 2

m + -1.083333334 = -1.157703667 Simplifying m + -1.083333334 = -1.157703667 Reorder the terms: -1.083333334 + m = -1.157703667 Solving -1.083333334 + m = -1.157703667 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1.083333334' to each side of the equation. -1.083333334 + 1.083333334 + m = -1.157703667 + 1.083333334 Combine like terms: -1.083333334 + 1.083333334 = 0.000000000 0.000000000 + m = -1.157703667 + 1.083333334 m = -1.157703667 + 1.083333334 Combine like terms: -1.157703667 + 1.083333334 = -0.074370333 m = -0.074370333 Simplifying m = -0.074370333

Solution

The solution to the problem is based on the solutions from the subproblems. m = {2.241037001, -0.074370333}

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