-m^2+16m=-8

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Solution for -m^2+16m=-8 equation:


Simplifying
-1m2 + 16m = -8

Reorder the terms:
16m + -1m2 = -8

Solving
16m + -1m2 = -8

Solving for variable 'm'.

Reorder the terms:
8 + 16m + -1m2 = -8 + 8

Combine like terms: -8 + 8 = 0
8 + 16m + -1m2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-8 + -16m + m2 = 0

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + -16m + 8 + m2 = 0 + 8

Reorder the terms:
-8 + 8 + -16m + m2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -16m + m2 = 0 + 8
-16m + m2 = 0 + 8

Combine like terms: 0 + 8 = 8
-16m + m2 = 8

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 = 8 + 64

Reorder the terms:
64 + -16m + m2 = 8 + 64

Combine like terms: 8 + 64 = 72
64 + -16m + m2 = 72

Factor a perfect square on the left side:
(m + -8)(m + -8) = 72

Calculate the square root of the right side: 8.485281374

Break this problem into two subproblems by setting 
(m + -8) equal to 8.485281374 and -8.485281374.

Subproblem 1

m + -8 = 8.485281374 Simplifying m + -8 = 8.485281374 Reorder the terms: -8 + m = 8.485281374 Solving -8 + m = 8.485281374 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 = 8.485281374 + 8 Combine like terms: -8 + 8 = 0 0 + m = 8.485281374 + 8 m = 8.485281374 + 8 Combine like terms: 8.485281374 + 8 = 16.485281374 m = 16.485281374 Simplifying m = 16.485281374

Subproblem 2

m + -8 = -8.485281374 Simplifying m + -8 = -8.485281374 Reorder the terms: -8 + m = -8.485281374 Solving -8 + m = -8.485281374 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 = -8.485281374 + 8 Combine like terms: -8 + 8 = 0 0 + m = -8.485281374 + 8 m = -8.485281374 + 8 Combine like terms: -8.485281374 + 8 = -0.485281374 m = -0.485281374 Simplifying m = -0.485281374

Solution

The solution to the problem is based on the solutions from the subproblems. m = {16.485281374, -0.485281374}

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