m^2+16m+47=6

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Solution for m^2+16m+47=6 equation:


Simplifying
m2 + 16m + 47 = 6

Reorder the terms:
47 + 16m + m2 = 6

Solving
47 + 16m + m2 = 6

Solving for variable 'm'.

Reorder the terms:
47 + -6 + 16m + m2 = 6 + -6

Combine like terms: 47 + -6 = 41
41 + 16m + m2 = 6 + -6

Combine like terms: 6 + -6 = 0
41 + 16m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-41' to each side of the equation.
41 + 16m + -41 + m2 = 0 + -41

Reorder the terms:
41 + -41 + 16m + m2 = 0 + -41

Combine like terms: 41 + -41 = 0
0 + 16m + m2 = 0 + -41
16m + m2 = 0 + -41

Combine like terms: 0 + -41 = -41
16m + m2 = -41

The m term is 16m.  Take half its coefficient (8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
16m + 64 + m2 = -41 + 64

Reorder the terms:
64 + 16m + m2 = -41 + 64

Combine like terms: -41 + 64 = 23
64 + 16m + m2 = 23

Factor a perfect square on the left side:
(m + 8)(m + 8) = 23

Calculate the square root of the right side: 4.795831523

Break this problem into two subproblems by setting 
(m + 8) equal to 4.795831523 and -4.795831523.

Subproblem 1

m + 8 = 4.795831523 Simplifying m + 8 = 4.795831523 Reorder the terms: 8 + m = 4.795831523 Solving 8 + m = 4.795831523 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + m = 4.795831523 + -8 Combine like terms: 8 + -8 = 0 0 + m = 4.795831523 + -8 m = 4.795831523 + -8 Combine like terms: 4.795831523 + -8 = -3.204168477 m = -3.204168477 Simplifying m = -3.204168477

Subproblem 2

m + 8 = -4.795831523 Simplifying m + 8 = -4.795831523 Reorder the terms: 8 + m = -4.795831523 Solving 8 + m = -4.795831523 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + m = -4.795831523 + -8 Combine like terms: 8 + -8 = 0 0 + m = -4.795831523 + -8 m = -4.795831523 + -8 Combine like terms: -4.795831523 + -8 = -12.795831523 m = -12.795831523 Simplifying m = -12.795831523

Solution

The solution to the problem is based on the solutions from the subproblems. m = {-3.204168477, -12.795831523}

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