m^2+16m=-1

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Solution for m^2+16m=-1 equation:


Simplifying
m2 + 16m = -1

Reorder the terms:
16m + m2 = -1

Solving
16m + m2 = -1

Solving for variable 'm'.

Reorder the terms:
1 + 16m + m2 = -1 + 1

Combine like terms: -1 + 1 = 0
1 + 16m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 16m + -1 + m2 = 0 + -1

Reorder the terms:
1 + -1 + 16m + m2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 16m + m2 = 0 + -1
16m + m2 = 0 + -1

Combine like terms: 0 + -1 = -1
16m + m2 = -1

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 = -1 + 64

Reorder the terms:
64 + 16m + m2 = -1 + 64

Combine like terms: -1 + 64 = 63
64 + 16m + m2 = 63

Factor a perfect square on the left side:
(m + 8)(m + 8) = 63

Calculate the square root of the right side: 7.937253933

Break this problem into two subproblems by setting 
(m + 8) equal to 7.937253933 and -7.937253933.

Subproblem 1

m + 8 = 7.937253933 Simplifying m + 8 = 7.937253933 Reorder the terms: 8 + m = 7.937253933 Solving 8 + m = 7.937253933 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 = 7.937253933 + -8 Combine like terms: 8 + -8 = 0 0 + m = 7.937253933 + -8 m = 7.937253933 + -8 Combine like terms: 7.937253933 + -8 = -0.062746067 m = -0.062746067 Simplifying m = -0.062746067

Subproblem 2

m + 8 = -7.937253933 Simplifying m + 8 = -7.937253933 Reorder the terms: 8 + m = -7.937253933 Solving 8 + m = -7.937253933 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 = -7.937253933 + -8 Combine like terms: 8 + -8 = 0 0 + m = -7.937253933 + -8 m = -7.937253933 + -8 Combine like terms: -7.937253933 + -8 = -15.937253933 m = -15.937253933 Simplifying m = -15.937253933

Solution

The solution to the problem is based on the solutions from the subproblems. m = {-0.062746067, -15.937253933}

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