11m^2-5m-9=0

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Solution for 11m^2-5m-9=0 equation:


Simplifying
11m2 + -5m + -9 = 0

Reorder the terms:
-9 + -5m + 11m2 = 0

Solving
-9 + -5m + 11m2 = 0

Solving for variable 'm'.

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

Divide each side by '11'.
-0.8181818182 + -0.4545454545m + m2 = 0

Move the constant term to the right:

Add '0.8181818182' to each side of the equation.
-0.8181818182 + -0.4545454545m + 0.8181818182 + m2 = 0 + 0.8181818182

Reorder the terms:
-0.8181818182 + 0.8181818182 + -0.4545454545m + m2 = 0 + 0.8181818182

Combine like terms: -0.8181818182 + 0.8181818182 = 0.0000000000
0.0000000000 + -0.4545454545m + m2 = 0 + 0.8181818182
-0.4545454545m + m2 = 0 + 0.8181818182

Combine like terms: 0 + 0.8181818182 = 0.8181818182
-0.4545454545m + m2 = 0.8181818182

The m term is -0.4545454545m.  Take half its coefficient (-0.2272727273).
Square it (0.05165289257) and add it to both sides.

Add '0.05165289257' to each side of the equation.
-0.4545454545m + 0.05165289257 + m2 = 0.8181818182 + 0.05165289257

Reorder the terms:
0.05165289257 + -0.4545454545m + m2 = 0.8181818182 + 0.05165289257

Combine like terms: 0.8181818182 + 0.05165289257 = 0.86983471077
0.05165289257 + -0.4545454545m + m2 = 0.86983471077

Factor a perfect square on the left side:
(m + -0.2272727273)(m + -0.2272727273) = 0.86983471077

Calculate the square root of the right side: 0.932649297

Break this problem into two subproblems by setting 
(m + -0.2272727273) equal to 0.932649297 and -0.932649297.

Subproblem 1

m + -0.2272727273 = 0.932649297 Simplifying m + -0.2272727273 = 0.932649297 Reorder the terms: -0.2272727273 + m = 0.932649297 Solving -0.2272727273 + m = 0.932649297 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.2272727273' to each side of the equation. -0.2272727273 + 0.2272727273 + m = 0.932649297 + 0.2272727273 Combine like terms: -0.2272727273 + 0.2272727273 = 0.0000000000 0.0000000000 + m = 0.932649297 + 0.2272727273 m = 0.932649297 + 0.2272727273 Combine like terms: 0.932649297 + 0.2272727273 = 1.1599220243 m = 1.1599220243 Simplifying m = 1.1599220243

Subproblem 2

m + -0.2272727273 = -0.932649297 Simplifying m + -0.2272727273 = -0.932649297 Reorder the terms: -0.2272727273 + m = -0.932649297 Solving -0.2272727273 + m = -0.932649297 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.2272727273' to each side of the equation. -0.2272727273 + 0.2272727273 + m = -0.932649297 + 0.2272727273 Combine like terms: -0.2272727273 + 0.2272727273 = 0.0000000000 0.0000000000 + m = -0.932649297 + 0.2272727273 m = -0.932649297 + 0.2272727273 Combine like terms: -0.932649297 + 0.2272727273 = -0.7053765697 m = -0.7053765697 Simplifying m = -0.7053765697

Solution

The solution to the problem is based on the solutions from the subproblems. m = {1.1599220243, -0.7053765697}

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