-9m^2-9m+5=0

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Solution for -9m^2-9m+5=0 equation:


Simplifying
-9m2 + -9m + 5 = 0

Reorder the terms:
5 + -9m + -9m2 = 0

Solving
5 + -9m + -9m2 = 0

Solving for variable 'm'.

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
-0.5555555556 + m + m2 = 0

Move the constant term to the right:

Add '0.5555555556' to each side of the equation.
-0.5555555556 + m + 0.5555555556 + m2 = 0 + 0.5555555556

Reorder the terms:
-0.5555555556 + 0.5555555556 + m + m2 = 0 + 0.5555555556

Combine like terms: -0.5555555556 + 0.5555555556 = 0.0000000000
0.0000000000 + m + m2 = 0 + 0.5555555556
m + m2 = 0 + 0.5555555556

Combine like terms: 0 + 0.5555555556 = 0.5555555556
m + m2 = 0.5555555556

The m term is m.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
 + 0.25 + m2 = 0.5555555556 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + m2 = 0.5555555556 + 0.25

Combine like terms: 0.5555555556 + 0.25 = 0.8055555556
1.25 + m2 = 0.8055555556

Factor a perfect square on the left side:
(m + 0.5)(m + 0.5) = 0.8055555556

Calculate the square root of the right side: 0.897527468

Break this problem into two subproblems by setting 
(m + 0.5) equal to 0.897527468 and -0.897527468.

Subproblem 1

m + 0.5 = 0.897527468 Simplifying m + 0.5 = 0.897527468 Reorder the terms: 0.5 + m = 0.897527468 Solving 0.5 + m = 0.897527468 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + m = 0.897527468 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + m = 0.897527468 + -0.5 m = 0.897527468 + -0.5 Combine like terms: 0.897527468 + -0.5 = 0.397527468 m = 0.397527468 Simplifying m = 0.397527468

Subproblem 2

m + 0.5 = -0.897527468 Simplifying m + 0.5 = -0.897527468 Reorder the terms: 0.5 + m = -0.897527468 Solving 0.5 + m = -0.897527468 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + m = -0.897527468 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + m = -0.897527468 + -0.5 m = -0.897527468 + -0.5 Combine like terms: -0.897527468 + -0.5 = -1.397527468 m = -1.397527468 Simplifying m = -1.397527468

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.397527468, -1.397527468}

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