27m^2+2m-9=0

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Solution for 27m^2+2m-9=0 equation:


Simplifying
27m2 + 2m + -9 = 0

Reorder the terms:
-9 + 2m + 27m2 = 0

Solving
-9 + 2m + 27m2 = 0

Solving for variable 'm'.

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

Divide each side by '27'.
-0.3333333333 + 0.07407407407m + m2 = 0

Move the constant term to the right:

Add '0.3333333333' to each side of the equation.
-0.3333333333 + 0.07407407407m + 0.3333333333 + m2 = 0 + 0.3333333333

Reorder the terms:
-0.3333333333 + 0.3333333333 + 0.07407407407m + m2 = 0 + 0.3333333333

Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000
0.0000000000 + 0.07407407407m + m2 = 0 + 0.3333333333
0.07407407407m + m2 = 0 + 0.3333333333

Combine like terms: 0 + 0.3333333333 = 0.3333333333
0.07407407407m + m2 = 0.3333333333

The m term is 0.07407407407m.  Take half its coefficient (0.03703703704).
Square it (0.001371742113) and add it to both sides.

Add '0.001371742113' to each side of the equation.
0.07407407407m + 0.001371742113 + m2 = 0.3333333333 + 0.001371742113

Reorder the terms:
0.001371742113 + 0.07407407407m + m2 = 0.3333333333 + 0.001371742113

Combine like terms: 0.3333333333 + 0.001371742113 = 0.334705075413
0.001371742113 + 0.07407407407m + m2 = 0.334705075413

Factor a perfect square on the left side:
(m + 0.03703703704)(m + 0.03703703704) = 0.334705075413

Calculate the square root of the right side: 0.578537013

Break this problem into two subproblems by setting 
(m + 0.03703703704) equal to 0.578537013 and -0.578537013.

Subproblem 1

m + 0.03703703704 = 0.578537013 Simplifying m + 0.03703703704 = 0.578537013 Reorder the terms: 0.03703703704 + m = 0.578537013 Solving 0.03703703704 + m = 0.578537013 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.03703703704' to each side of the equation. 0.03703703704 + -0.03703703704 + m = 0.578537013 + -0.03703703704 Combine like terms: 0.03703703704 + -0.03703703704 = 0.00000000000 0.00000000000 + m = 0.578537013 + -0.03703703704 m = 0.578537013 + -0.03703703704 Combine like terms: 0.578537013 + -0.03703703704 = 0.54149997596 m = 0.54149997596 Simplifying m = 0.54149997596

Subproblem 2

m + 0.03703703704 = -0.578537013 Simplifying m + 0.03703703704 = -0.578537013 Reorder the terms: 0.03703703704 + m = -0.578537013 Solving 0.03703703704 + m = -0.578537013 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.03703703704' to each side of the equation. 0.03703703704 + -0.03703703704 + m = -0.578537013 + -0.03703703704 Combine like terms: 0.03703703704 + -0.03703703704 = 0.00000000000 0.00000000000 + m = -0.578537013 + -0.03703703704 m = -0.578537013 + -0.03703703704 Combine like terms: -0.578537013 + -0.03703703704 = -0.61557405004 m = -0.61557405004 Simplifying m = -0.61557405004

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.54149997596, -0.61557405004}

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