-2m^2+2m=8m+m^2-4

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Solution for -2m^2+2m=8m+m^2-4 equation:


Simplifying
-2m2 + 2m = 8m + m2 + -4

Reorder the terms:
2m + -2m2 = 8m + m2 + -4

Reorder the terms:
2m + -2m2 = -4 + 8m + m2

Solving
2m + -2m2 = -4 + 8m + m2

Solving for variable 'm'.

Reorder the terms:
4 + 2m + -8m + -2m2 + -1m2 = -4 + 8m + m2 + 4 + -8m + -1m2

Combine like terms: 2m + -8m = -6m
4 + -6m + -2m2 + -1m2 = -4 + 8m + m2 + 4 + -8m + -1m2

Combine like terms: -2m2 + -1m2 = -3m2
4 + -6m + -3m2 = -4 + 8m + m2 + 4 + -8m + -1m2

Reorder the terms:
4 + -6m + -3m2 = -4 + 4 + 8m + -8m + m2 + -1m2

Combine like terms: -4 + 4 = 0
4 + -6m + -3m2 = 0 + 8m + -8m + m2 + -1m2
4 + -6m + -3m2 = 8m + -8m + m2 + -1m2

Combine like terms: 8m + -8m = 0
4 + -6m + -3m2 = 0 + m2 + -1m2
4 + -6m + -3m2 = m2 + -1m2

Combine like terms: m2 + -1m2 = 0
4 + -6m + -3m2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
-1.333333333 + 2m + m2 = 0

Move the constant term to the right:

Add '1.333333333' to each side of the equation.
-1.333333333 + 2m + 1.333333333 + m2 = 0 + 1.333333333

Reorder the terms:
-1.333333333 + 1.333333333 + 2m + m2 = 0 + 1.333333333

Combine like terms: -1.333333333 + 1.333333333 = 0.000000000
0.000000000 + 2m + m2 = 0 + 1.333333333
2m + m2 = 0 + 1.333333333

Combine like terms: 0 + 1.333333333 = 1.333333333
2m + m2 = 1.333333333

The m term is 2m.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2m + 1 + m2 = 1.333333333 + 1

Reorder the terms:
1 + 2m + m2 = 1.333333333 + 1

Combine like terms: 1.333333333 + 1 = 2.333333333
1 + 2m + m2 = 2.333333333

Factor a perfect square on the left side:
(m + 1)(m + 1) = 2.333333333

Calculate the square root of the right side: 1.527525232

Break this problem into two subproblems by setting 
(m + 1) equal to 1.527525232 and -1.527525232.

Subproblem 1

m + 1 = 1.527525232 Simplifying m + 1 = 1.527525232 Reorder the terms: 1 + m = 1.527525232 Solving 1 + m = 1.527525232 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + m = 1.527525232 + -1 Combine like terms: 1 + -1 = 0 0 + m = 1.527525232 + -1 m = 1.527525232 + -1 Combine like terms: 1.527525232 + -1 = 0.527525232 m = 0.527525232 Simplifying m = 0.527525232

Subproblem 2

m + 1 = -1.527525232 Simplifying m + 1 = -1.527525232 Reorder the terms: 1 + m = -1.527525232 Solving 1 + m = -1.527525232 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + m = -1.527525232 + -1 Combine like terms: 1 + -1 = 0 0 + m = -1.527525232 + -1 m = -1.527525232 + -1 Combine like terms: -1.527525232 + -1 = -2.527525232 m = -2.527525232 Simplifying m = -2.527525232

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.527525232, -2.527525232}

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