m^2+12m+19=0

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Solution for m^2+12m+19=0 equation:


Simplifying
m2 + 12m + 19 = 0

Reorder the terms:
19 + 12m + m2 = 0

Solving
19 + 12m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '-19' to each side of the equation.
19 + 12m + -19 + m2 = 0 + -19

Reorder the terms:
19 + -19 + 12m + m2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 12m + m2 = 0 + -19
12m + m2 = 0 + -19

Combine like terms: 0 + -19 = -19
12m + m2 = -19

The m term is 12m.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12m + 36 + m2 = -19 + 36

Reorder the terms:
36 + 12m + m2 = -19 + 36

Combine like terms: -19 + 36 = 17
36 + 12m + m2 = 17

Factor a perfect square on the left side:
(m + 6)(m + 6) = 17

Calculate the square root of the right side: 4.123105626

Break this problem into two subproblems by setting 
(m + 6) equal to 4.123105626 and -4.123105626.

Subproblem 1

m + 6 = 4.123105626 Simplifying m + 6 = 4.123105626 Reorder the terms: 6 + m = 4.123105626 Solving 6 + m = 4.123105626 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + m = 4.123105626 + -6 Combine like terms: 6 + -6 = 0 0 + m = 4.123105626 + -6 m = 4.123105626 + -6 Combine like terms: 4.123105626 + -6 = -1.876894374 m = -1.876894374 Simplifying m = -1.876894374

Subproblem 2

m + 6 = -4.123105626 Simplifying m + 6 = -4.123105626 Reorder the terms: 6 + m = -4.123105626 Solving 6 + m = -4.123105626 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + m = -4.123105626 + -6 Combine like terms: 6 + -6 = 0 0 + m = -4.123105626 + -6 m = -4.123105626 + -6 Combine like terms: -4.123105626 + -6 = -10.123105626 m = -10.123105626 Simplifying m = -10.123105626

Solution

The solution to the problem is based on the solutions from the subproblems. m = {-1.876894374, -10.123105626}

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