m^2+6m-12=0

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Solution for m^2+6m-12=0 equation:


Simplifying
m2 + 6m + -12 = 0

Reorder the terms:
-12 + 6m + m2 = 0

Solving
-12 + 6m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '12' to each side of the equation.
-12 + 6m + 12 + m2 = 0 + 12

Reorder the terms:
-12 + 12 + 6m + m2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 6m + m2 = 0 + 12
6m + m2 = 0 + 12

Combine like terms: 0 + 12 = 12
6m + m2 = 12

The m term is 6m.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6m + 9 + m2 = 12 + 9

Reorder the terms:
9 + 6m + m2 = 12 + 9

Combine like terms: 12 + 9 = 21
9 + 6m + m2 = 21

Factor a perfect square on the left side:
(m + 3)(m + 3) = 21

Calculate the square root of the right side: 4.582575695

Break this problem into two subproblems by setting 
(m + 3) equal to 4.582575695 and -4.582575695.

Subproblem 1

m + 3 = 4.582575695 Simplifying m + 3 = 4.582575695 Reorder the terms: 3 + m = 4.582575695 Solving 3 + m = 4.582575695 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + m = 4.582575695 + -3 Combine like terms: 3 + -3 = 0 0 + m = 4.582575695 + -3 m = 4.582575695 + -3 Combine like terms: 4.582575695 + -3 = 1.582575695 m = 1.582575695 Simplifying m = 1.582575695

Subproblem 2

m + 3 = -4.582575695 Simplifying m + 3 = -4.582575695 Reorder the terms: 3 + m = -4.582575695 Solving 3 + m = -4.582575695 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + m = -4.582575695 + -3 Combine like terms: 3 + -3 = 0 0 + m = -4.582575695 + -3 m = -4.582575695 + -3 Combine like terms: -4.582575695 + -3 = -7.582575695 m = -7.582575695 Simplifying m = -7.582575695

Solution

The solution to the problem is based on the solutions from the subproblems. m = {1.582575695, -7.582575695}

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