(12m-6-3m^2)-(9m^2+3m-8)=

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Solution for (12m-6-3m^2)-(9m^2+3m-8)= equation:


Simplifying
(12m + -6 + -3m2) + -1(9m2 + 3m + -8) = 0

Reorder the terms:
(-6 + 12m + -3m2) + -1(9m2 + 3m + -8) = 0

Remove parenthesis around (-6 + 12m + -3m2)
-6 + 12m + -3m2 + -1(9m2 + 3m + -8) = 0

Reorder the terms:
-6 + 12m + -3m2 + -1(-8 + 3m + 9m2) = 0
-6 + 12m + -3m2 + (-8 * -1 + 3m * -1 + 9m2 * -1) = 0
-6 + 12m + -3m2 + (8 + -3m + -9m2) = 0

Reorder the terms:
-6 + 8 + 12m + -3m + -3m2 + -9m2 = 0

Combine like terms: -6 + 8 = 2
2 + 12m + -3m + -3m2 + -9m2 = 0

Combine like terms: 12m + -3m = 9m
2 + 9m + -3m2 + -9m2 = 0

Combine like terms: -3m2 + -9m2 = -12m2
2 + 9m + -12m2 = 0

Solving
2 + 9m + -12m2 = 0

Solving for variable 'm'.

Begin completing the square.  Divide all terms by
-12 the coefficient of the squared term: 

Divide each side by '-12'.
-0.1666666667 + -0.75m + m2 = 0

Move the constant term to the right:

Add '0.1666666667' to each side of the equation.
-0.1666666667 + -0.75m + 0.1666666667 + m2 = 0 + 0.1666666667

Reorder the terms:
-0.1666666667 + 0.1666666667 + -0.75m + m2 = 0 + 0.1666666667

Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000
0.0000000000 + -0.75m + m2 = 0 + 0.1666666667
-0.75m + m2 = 0 + 0.1666666667

Combine like terms: 0 + 0.1666666667 = 0.1666666667
-0.75m + m2 = 0.1666666667

The m term is -0.75m.  Take half its coefficient (-0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
-0.75m + 0.140625 + m2 = 0.1666666667 + 0.140625

Reorder the terms:
0.140625 + -0.75m + m2 = 0.1666666667 + 0.140625

Combine like terms: 0.1666666667 + 0.140625 = 0.3072916667
0.140625 + -0.75m + m2 = 0.3072916667

Factor a perfect square on the left side:
(m + -0.375)(m + -0.375) = 0.3072916667

Calculate the square root of the right side: 0.554338946

Break this problem into two subproblems by setting 
(m + -0.375) equal to 0.554338946 and -0.554338946.

Subproblem 1

m + -0.375 = 0.554338946 Simplifying m + -0.375 = 0.554338946 Reorder the terms: -0.375 + m = 0.554338946 Solving -0.375 + m = 0.554338946 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.375' to each side of the equation. -0.375 + 0.375 + m = 0.554338946 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + m = 0.554338946 + 0.375 m = 0.554338946 + 0.375 Combine like terms: 0.554338946 + 0.375 = 0.929338946 m = 0.929338946 Simplifying m = 0.929338946

Subproblem 2

m + -0.375 = -0.554338946 Simplifying m + -0.375 = -0.554338946 Reorder the terms: -0.375 + m = -0.554338946 Solving -0.375 + m = -0.554338946 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.375' to each side of the equation. -0.375 + 0.375 + m = -0.554338946 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + m = -0.554338946 + 0.375 m = -0.554338946 + 0.375 Combine like terms: -0.554338946 + 0.375 = -0.179338946 m = -0.179338946 Simplifying m = -0.179338946

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.929338946, -0.179338946}

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