m^2+13m+27=0

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Solution for m^2+13m+27=0 equation:


Simplifying
m2 + 13m + 27 = 0

Reorder the terms:
27 + 13m + m2 = 0

Solving
27 + 13m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '-27' to each side of the equation.
27 + 13m + -27 + m2 = 0 + -27

Reorder the terms:
27 + -27 + 13m + m2 = 0 + -27

Combine like terms: 27 + -27 = 0
0 + 13m + m2 = 0 + -27
13m + m2 = 0 + -27

Combine like terms: 0 + -27 = -27
13m + m2 = -27

The m term is 13m.  Take half its coefficient (6.5).
Square it (42.25) and add it to both sides.

Add '42.25' to each side of the equation.
13m + 42.25 + m2 = -27 + 42.25

Reorder the terms:
42.25 + 13m + m2 = -27 + 42.25

Combine like terms: -27 + 42.25 = 15.25
42.25 + 13m + m2 = 15.25

Factor a perfect square on the left side:
(m + 6.5)(m + 6.5) = 15.25

Calculate the square root of the right side: 3.905124838

Break this problem into two subproblems by setting 
(m + 6.5) equal to 3.905124838 and -3.905124838.

Subproblem 1

m + 6.5 = 3.905124838 Simplifying m + 6.5 = 3.905124838 Reorder the terms: 6.5 + m = 3.905124838 Solving 6.5 + m = 3.905124838 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + m = 3.905124838 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + m = 3.905124838 + -6.5 m = 3.905124838 + -6.5 Combine like terms: 3.905124838 + -6.5 = -2.594875162 m = -2.594875162 Simplifying m = -2.594875162

Subproblem 2

m + 6.5 = -3.905124838 Simplifying m + 6.5 = -3.905124838 Reorder the terms: 6.5 + m = -3.905124838 Solving 6.5 + m = -3.905124838 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + m = -3.905124838 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + m = -3.905124838 + -6.5 m = -3.905124838 + -6.5 Combine like terms: -3.905124838 + -6.5 = -10.405124838 m = -10.405124838 Simplifying m = -10.405124838

Solution

The solution to the problem is based on the solutions from the subproblems. m = {-2.594875162, -10.405124838}

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