2(m+4)-4m(m+2)=

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Solution for 2(m+4)-4m(m+2)= equation: 


Simplifying
2(m + 4) + -4m(m + 2) = 0

Reorder the terms:
2(4 + m) + -4m(m + 2) = 0
(4 * 2 + m * 2) + -4m(m + 2) = 0
(8 + 2m) + -4m(m + 2) = 0

Reorder the terms:
8 + 2m + -4m(2 + m) = 0
8 + 2m + (2 * -4m + m * -4m) = 0
8 + 2m + (-8m + -4m2) = 0

Combine like terms: 2m + -8m = -6m
8 + -6m + -4m2 = 0

Solving
8 + -6m + -4m2 = 0

Solving for variable 'm'.

Factor out the Greatest Common Factor (GCF), '2'.
2(4 + -3m + -2m2) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(4 + -3m + -2m2)' equal to zero and attempt to solve:

Simplifying
4 + -3m + -2m2 = 0

Solving
4 + -3m + -2m2 = 0

Begin completing the square.  Divide all terms by
-2 the coefficient of the squared term: 

Divide each side by '-2'.
-2 + 1.5m + m2 = 0

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + 1.5m + 2 + m2 = 0 + 2

Reorder the terms:
-2 + 2 + 1.5m + m2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 1.5m + m2 = 0 + 2
1.5m + m2 = 0 + 2

Combine like terms: 0 + 2 = 2
1.5m + m2 = 2

The m term is 1.5m.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5m + 0.5625 + m2 = 2 + 0.5625

Reorder the terms:
0.5625 + 1.5m + m2 = 2 + 0.5625

Combine like terms: 2 + 0.5625 = 2.5625
0.5625 + 1.5m + m2 = 2.5625

Factor a perfect square on the left side:
(m + 0.75)(m + 0.75) = 2.5625

Calculate the square root of the right side: 1.600781059

Break this problem into two subproblems by setting 
(m + 0.75) equal to 1.600781059 and -1.600781059.


Subproblem 1
m + 0.75 = 1.600781059

Simplifying
m + 0.75 = 1.600781059

Reorder the terms:
0.75 + m = 1.600781059

Solving
0.75 + m = 1.600781059

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-0.75' to each side of the equation.
0.75 + -0.75 + m = 1.600781059 + -0.75

Combine like terms: 0.75 + -0.75 = 0.00
0.00 + m = 1.600781059 + -0.75
m = 1.600781059 + -0.75

Combine like terms: 1.600781059 + -0.75 = 0.850781059
m = 0.850781059

Simplifying
m = 0.850781059


Subproblem 2
m + 0.75 = -1.600781059

Simplifying
m + 0.75 = -1.600781059

Reorder the terms:
0.75 + m = -1.600781059

Solving
0.75 + m = -1.600781059

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-0.75' to each side of the equation.
0.75 + -0.75 + m = -1.600781059 + -0.75

Combine like terms: 0.75 + -0.75 = 0.00
0.00 + m = -1.600781059 + -0.75
m = -1.600781059 + -0.75

Combine like terms: -1.600781059 + -0.75 = -2.350781059
m = -2.350781059

Simplifying
m = -2.350781059


Solution
The solution to the problem is based on the solutions
from the subproblems.
m = {0.850781059, -2.350781059}
Solution
m = {0.850781059, -2.350781059}

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