11m^2+2m=8

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Solution for 11m^2+2m=8 equation:


Simplifying
11m2 + 2m = 8

Reorder the terms:
2m + 11m2 = 8

Solving
2m + 11m2 = 8

Solving for variable 'm'.

Reorder the terms:
-8 + 2m + 11m2 = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + 2m + 11m2 = 0

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

Divide each side by '11'.
-0.7272727273 + 0.1818181818m + m2 = 0

Move the constant term to the right:

Add '0.7272727273' to each side of the equation.
-0.7272727273 + 0.1818181818m + 0.7272727273 + m2 = 0 + 0.7272727273

Reorder the terms:
-0.7272727273 + 0.7272727273 + 0.1818181818m + m2 = 0 + 0.7272727273

Combine like terms: -0.7272727273 + 0.7272727273 = 0.0000000000
0.0000000000 + 0.1818181818m + m2 = 0 + 0.7272727273
0.1818181818m + m2 = 0 + 0.7272727273

Combine like terms: 0 + 0.7272727273 = 0.7272727273
0.1818181818m + m2 = 0.7272727273

The m term is 0.1818181818m.  Take half its coefficient (0.0909090909).
Square it (0.008264462808) and add it to both sides.

Add '0.008264462808' to each side of the equation.
0.1818181818m + 0.008264462808 + m2 = 0.7272727273 + 0.008264462808

Reorder the terms:
0.008264462808 + 0.1818181818m + m2 = 0.7272727273 + 0.008264462808

Combine like terms: 0.7272727273 + 0.008264462808 = 0.735537190108
0.008264462808 + 0.1818181818m + m2 = 0.735537190108

Factor a perfect square on the left side:
(m + 0.0909090909)(m + 0.0909090909) = 0.735537190108

Calculate the square root of the right side: 0.857634648

Break this problem into two subproblems by setting 
(m + 0.0909090909) equal to 0.857634648 and -0.857634648.

Subproblem 1

m + 0.0909090909 = 0.857634648 Simplifying m + 0.0909090909 = 0.857634648 Reorder the terms: 0.0909090909 + m = 0.857634648 Solving 0.0909090909 + m = 0.857634648 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.0909090909' to each side of the equation. 0.0909090909 + -0.0909090909 + m = 0.857634648 + -0.0909090909 Combine like terms: 0.0909090909 + -0.0909090909 = 0.0000000000 0.0000000000 + m = 0.857634648 + -0.0909090909 m = 0.857634648 + -0.0909090909 Combine like terms: 0.857634648 + -0.0909090909 = 0.7667255571 m = 0.7667255571 Simplifying m = 0.7667255571

Subproblem 2

m + 0.0909090909 = -0.857634648 Simplifying m + 0.0909090909 = -0.857634648 Reorder the terms: 0.0909090909 + m = -0.857634648 Solving 0.0909090909 + m = -0.857634648 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.0909090909' to each side of the equation. 0.0909090909 + -0.0909090909 + m = -0.857634648 + -0.0909090909 Combine like terms: 0.0909090909 + -0.0909090909 = 0.0000000000 0.0000000000 + m = -0.857634648 + -0.0909090909 m = -0.857634648 + -0.0909090909 Combine like terms: -0.857634648 + -0.0909090909 = -0.9485437389 m = -0.9485437389 Simplifying m = -0.9485437389

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.7667255571, -0.9485437389}

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