m^2+12m+30=0

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Solution for m^2+12m+30=0 equation:


Simplifying
m2 + 12m + 30 = 0

Reorder the terms:
30 + 12m + m2 = 0

Solving
30 + 12m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '-30' to each side of the equation.
30 + 12m + -30 + m2 = 0 + -30

Reorder the terms:
30 + -30 + 12m + m2 = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 12m + m2 = 0 + -30
12m + m2 = 0 + -30

Combine like terms: 0 + -30 = -30
12m + m2 = -30

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 = -30 + 36

Reorder the terms:
36 + 12m + m2 = -30 + 36

Combine like terms: -30 + 36 = 6
36 + 12m + m2 = 6

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

Calculate the square root of the right side: 2.449489743

Break this problem into two subproblems by setting 
(m + 6) equal to 2.449489743 and -2.449489743.

Subproblem 1

m + 6 = 2.449489743 Simplifying m + 6 = 2.449489743 Reorder the terms: 6 + m = 2.449489743 Solving 6 + m = 2.449489743 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 = 2.449489743 + -6 Combine like terms: 6 + -6 = 0 0 + m = 2.449489743 + -6 m = 2.449489743 + -6 Combine like terms: 2.449489743 + -6 = -3.550510257 m = -3.550510257 Simplifying m = -3.550510257

Subproblem 2

m + 6 = -2.449489743 Simplifying m + 6 = -2.449489743 Reorder the terms: 6 + m = -2.449489743 Solving 6 + m = -2.449489743 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 = -2.449489743 + -6 Combine like terms: 6 + -6 = 0 0 + m = -2.449489743 + -6 m = -2.449489743 + -6 Combine like terms: -2.449489743 + -6 = -8.449489743 m = -8.449489743 Simplifying m = -8.449489743

Solution

The solution to the problem is based on the solutions from the subproblems. m = {-3.550510257, -8.449489743}

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