18m^2-8m-3=0

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Solution for 18m^2-8m-3=0 equation:


Simplifying
18m2 + -8m + -3 = 0

Reorder the terms:
-3 + -8m + 18m2 = 0

Solving
-3 + -8m + 18m2 = 0

Solving for variable 'm'.

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

Divide each side by '18'.
-0.1666666667 + -0.4444444444m + m2 = 0

Move the constant term to the right:

Add '0.1666666667' to each side of the equation.
-0.1666666667 + -0.4444444444m + 0.1666666667 + m2 = 0 + 0.1666666667

Reorder the terms:
-0.1666666667 + 0.1666666667 + -0.4444444444m + m2 = 0 + 0.1666666667

Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000
0.0000000000 + -0.4444444444m + m2 = 0 + 0.1666666667
-0.4444444444m + m2 = 0 + 0.1666666667

Combine like terms: 0 + 0.1666666667 = 0.1666666667
-0.4444444444m + m2 = 0.1666666667

The m term is -0.4444444444m.  Take half its coefficient (-0.2222222222).
Square it (0.04938271604) and add it to both sides.

Add '0.04938271604' to each side of the equation.
-0.4444444444m + 0.04938271604 + m2 = 0.1666666667 + 0.04938271604

Reorder the terms:
0.04938271604 + -0.4444444444m + m2 = 0.1666666667 + 0.04938271604

Combine like terms: 0.1666666667 + 0.04938271604 = 0.21604938274
0.04938271604 + -0.4444444444m + m2 = 0.21604938274

Factor a perfect square on the left side:
(m + -0.2222222222)(m + -0.2222222222) = 0.21604938274

Calculate the square root of the right side: 0.464811126

Break this problem into two subproblems by setting 
(m + -0.2222222222) equal to 0.464811126 and -0.464811126.

Subproblem 1

m + -0.2222222222 = 0.464811126 Simplifying m + -0.2222222222 = 0.464811126 Reorder the terms: -0.2222222222 + m = 0.464811126 Solving -0.2222222222 + m = 0.464811126 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.2222222222' to each side of the equation. -0.2222222222 + 0.2222222222 + m = 0.464811126 + 0.2222222222 Combine like terms: -0.2222222222 + 0.2222222222 = 0.0000000000 0.0000000000 + m = 0.464811126 + 0.2222222222 m = 0.464811126 + 0.2222222222 Combine like terms: 0.464811126 + 0.2222222222 = 0.6870333482 m = 0.6870333482 Simplifying m = 0.6870333482

Subproblem 2

m + -0.2222222222 = -0.464811126 Simplifying m + -0.2222222222 = -0.464811126 Reorder the terms: -0.2222222222 + m = -0.464811126 Solving -0.2222222222 + m = -0.464811126 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.2222222222' to each side of the equation. -0.2222222222 + 0.2222222222 + m = -0.464811126 + 0.2222222222 Combine like terms: -0.2222222222 + 0.2222222222 = 0.0000000000 0.0000000000 + m = -0.464811126 + 0.2222222222 m = -0.464811126 + 0.2222222222 Combine like terms: -0.464811126 + 0.2222222222 = -0.2425889038 m = -0.2425889038 Simplifying m = -0.2425889038

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.6870333482, -0.2425889038}

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