m^2+4m-27=3

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Solution for m^2+4m-27=3 equation:


Simplifying
m2 + 4m + -27 = 3

Reorder the terms:
-27 + 4m + m2 = 3

Solving
-27 + 4m + m2 = 3

Solving for variable 'm'.

Reorder the terms:
-27 + -3 + 4m + m2 = 3 + -3

Combine like terms: -27 + -3 = -30
-30 + 4m + m2 = 3 + -3

Combine like terms: 3 + -3 = 0
-30 + 4m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '30' to each side of the equation.
-30 + 4m + 30 + m2 = 0 + 30

Reorder the terms:
-30 + 30 + 4m + m2 = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 4m + m2 = 0 + 30
4m + m2 = 0 + 30

Combine like terms: 0 + 30 = 30
4m + m2 = 30

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 = 30 + 4

Reorder the terms:
4 + 4m + m2 = 30 + 4

Combine like terms: 30 + 4 = 34
4 + 4m + m2 = 34

Factor a perfect square on the left side:
(m + 2)(m + 2) = 34

Calculate the square root of the right side: 5.830951895

Break this problem into two subproblems by setting 
(m + 2) equal to 5.830951895 and -5.830951895.

Subproblem 1

m + 2 = 5.830951895 Simplifying m + 2 = 5.830951895 Reorder the terms: 2 + m = 5.830951895 Solving 2 + m = 5.830951895 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 = 5.830951895 + -2 Combine like terms: 2 + -2 = 0 0 + m = 5.830951895 + -2 m = 5.830951895 + -2 Combine like terms: 5.830951895 + -2 = 3.830951895 m = 3.830951895 Simplifying m = 3.830951895

Subproblem 2

m + 2 = -5.830951895 Simplifying m + 2 = -5.830951895 Reorder the terms: 2 + m = -5.830951895 Solving 2 + m = -5.830951895 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 = -5.830951895 + -2 Combine like terms: 2 + -2 = 0 0 + m = -5.830951895 + -2 m = -5.830951895 + -2 Combine like terms: -5.830951895 + -2 = -7.830951895 m = -7.830951895 Simplifying m = -7.830951895

Solution

The solution to the problem is based on the solutions from the subproblems. m = {3.830951895, -7.830951895}

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