m^2+22m-4=0

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Solution for m^2+22m-4=0 equation:


Simplifying
m2 + 22m + -4 = 0

Reorder the terms:
-4 + 22m + m2 = 0

Solving
-4 + 22m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + 22m + 4 + m2 = 0 + 4

Reorder the terms:
-4 + 4 + 22m + m2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 22m + m2 = 0 + 4
22m + m2 = 0 + 4

Combine like terms: 0 + 4 = 4
22m + m2 = 4

The m term is 22m.  Take half its coefficient (11).
Square it (121) and add it to both sides.

Add '121' to each side of the equation.
22m + 121 + m2 = 4 + 121

Reorder the terms:
121 + 22m + m2 = 4 + 121

Combine like terms: 4 + 121 = 125
121 + 22m + m2 = 125

Factor a perfect square on the left side:
(m + 11)(m + 11) = 125

Calculate the square root of the right side: 11.180339887

Break this problem into two subproblems by setting 
(m + 11) equal to 11.180339887 and -11.180339887.

Subproblem 1

m + 11 = 11.180339887 Simplifying m + 11 = 11.180339887 Reorder the terms: 11 + m = 11.180339887 Solving 11 + m = 11.180339887 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + m = 11.180339887 + -11 Combine like terms: 11 + -11 = 0 0 + m = 11.180339887 + -11 m = 11.180339887 + -11 Combine like terms: 11.180339887 + -11 = 0.180339887 m = 0.180339887 Simplifying m = 0.180339887

Subproblem 2

m + 11 = -11.180339887 Simplifying m + 11 = -11.180339887 Reorder the terms: 11 + m = -11.180339887 Solving 11 + m = -11.180339887 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + m = -11.180339887 + -11 Combine like terms: 11 + -11 = 0 0 + m = -11.180339887 + -11 m = -11.180339887 + -11 Combine like terms: -11.180339887 + -11 = -22.180339887 m = -22.180339887 Simplifying m = -22.180339887

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.180339887, -22.180339887}

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