m^2-55m-14=0

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Solution for m^2-55m-14=0 equation:


Simplifying
m2 + -55m + -14 = 0

Reorder the terms:
-14 + -55m + m2 = 0

Solving
-14 + -55m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '14' to each side of the equation.
-14 + -55m + 14 + m2 = 0 + 14

Reorder the terms:
-14 + 14 + -55m + m2 = 0 + 14

Combine like terms: -14 + 14 = 0
0 + -55m + m2 = 0 + 14
-55m + m2 = 0 + 14

Combine like terms: 0 + 14 = 14
-55m + m2 = 14

The m term is -55m.  Take half its coefficient (-27.5).
Square it (756.25) and add it to both sides.

Add '756.25' to each side of the equation.
-55m + 756.25 + m2 = 14 + 756.25

Reorder the terms:
756.25 + -55m + m2 = 14 + 756.25

Combine like terms: 14 + 756.25 = 770.25
756.25 + -55m + m2 = 770.25

Factor a perfect square on the left side:
(m + -27.5)(m + -27.5) = 770.25

Calculate the square root of the right side: 27.753378173

Break this problem into two subproblems by setting 
(m + -27.5) equal to 27.753378173 and -27.753378173.

Subproblem 1

m + -27.5 = 27.753378173 Simplifying m + -27.5 = 27.753378173 Reorder the terms: -27.5 + m = 27.753378173 Solving -27.5 + m = 27.753378173 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '27.5' to each side of the equation. -27.5 + 27.5 + m = 27.753378173 + 27.5 Combine like terms: -27.5 + 27.5 = 0.0 0.0 + m = 27.753378173 + 27.5 m = 27.753378173 + 27.5 Combine like terms: 27.753378173 + 27.5 = 55.253378173 m = 55.253378173 Simplifying m = 55.253378173

Subproblem 2

m + -27.5 = -27.753378173 Simplifying m + -27.5 = -27.753378173 Reorder the terms: -27.5 + m = -27.753378173 Solving -27.5 + m = -27.753378173 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '27.5' to each side of the equation. -27.5 + 27.5 + m = -27.753378173 + 27.5 Combine like terms: -27.5 + 27.5 = 0.0 0.0 + m = -27.753378173 + 27.5 m = -27.753378173 + 27.5 Combine like terms: -27.753378173 + 27.5 = -0.253378173 m = -0.253378173 Simplifying m = -0.253378173

Solution

The solution to the problem is based on the solutions from the subproblems. m = {55.253378173, -0.253378173}

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