m^2+4m-27=6

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Solution for m^2+4m-27=6 equation:


Simplifying
m2 + 4m + -27 = 6

Reorder the terms:
-27 + 4m + m2 = 6

Solving
-27 + 4m + m2 = 6

Solving for variable 'm'.

Reorder the terms:
-27 + -6 + 4m + m2 = 6 + -6

Combine like terms: -27 + -6 = -33
-33 + 4m + m2 = 6 + -6

Combine like terms: 6 + -6 = 0
-33 + 4m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '33' to each side of the equation.
-33 + 4m + 33 + m2 = 0 + 33

Reorder the terms:
-33 + 33 + 4m + m2 = 0 + 33

Combine like terms: -33 + 33 = 0
0 + 4m + m2 = 0 + 33
4m + m2 = 0 + 33

Combine like terms: 0 + 33 = 33
4m + m2 = 33

The m term is 4m.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4m + 4 + m2 = 33 + 4

Reorder the terms:
4 + 4m + m2 = 33 + 4

Combine like terms: 33 + 4 = 37
4 + 4m + m2 = 37

Factor a perfect square on the left side:
(m + 2)(m + 2) = 37

Calculate the square root of the right side: 6.08276253

Break this problem into two subproblems by setting 
(m + 2) equal to 6.08276253 and -6.08276253.

Subproblem 1

m + 2 = 6.08276253 Simplifying m + 2 = 6.08276253 Reorder the terms: 2 + m = 6.08276253 Solving 2 + m = 6.08276253 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + m = 6.08276253 + -2 Combine like terms: 2 + -2 = 0 0 + m = 6.08276253 + -2 m = 6.08276253 + -2 Combine like terms: 6.08276253 + -2 = 4.08276253 m = 4.08276253 Simplifying m = 4.08276253

Subproblem 2

m + 2 = -6.08276253 Simplifying m + 2 = -6.08276253 Reorder the terms: 2 + m = -6.08276253 Solving 2 + m = -6.08276253 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + m = -6.08276253 + -2 Combine like terms: 2 + -2 = 0 0 + m = -6.08276253 + -2 m = -6.08276253 + -2 Combine like terms: -6.08276253 + -2 = -8.08276253 m = -8.08276253 Simplifying m = -8.08276253

Solution

The solution to the problem is based on the solutions from the subproblems. m = {4.08276253, -8.08276253}

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