8=11m-m*m

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Solution for 8=11m-m*m equation:


Simplifying
8 = 11m + -1m * m

Multiply m * m
8 = 11m + -1m2

Solving
8 = 11m + -1m2

Solving for variable 'm'.

Reorder the terms:
8 + -11m + m2 = 11m + -11m + -1m2 + m2

Combine like terms: 11m + -11m = 0
8 + -11m + m2 = 0 + -1m2 + m2
8 + -11m + m2 = -1m2 + m2

Combine like terms: -1m2 + m2 = 0
8 + -11m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -11m + -8 + m2 = 0 + -8

Reorder the terms:
8 + -8 + -11m + m2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -11m + m2 = 0 + -8
-11m + m2 = 0 + -8

Combine like terms: 0 + -8 = -8
-11m + m2 = -8

The m term is -11m.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11m + 30.25 + m2 = -8 + 30.25

Reorder the terms:
30.25 + -11m + m2 = -8 + 30.25

Combine like terms: -8 + 30.25 = 22.25
30.25 + -11m + m2 = 22.25

Factor a perfect square on the left side:
(m + -5.5)(m + -5.5) = 22.25

Calculate the square root of the right side: 4.716990566

Break this problem into two subproblems by setting 
(m + -5.5) equal to 4.716990566 and -4.716990566.

Subproblem 1

m + -5.5 = 4.716990566 Simplifying m + -5.5 = 4.716990566 Reorder the terms: -5.5 + m = 4.716990566 Solving -5.5 + m = 4.716990566 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + m = 4.716990566 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + m = 4.716990566 + 5.5 m = 4.716990566 + 5.5 Combine like terms: 4.716990566 + 5.5 = 10.216990566 m = 10.216990566 Simplifying m = 10.216990566

Subproblem 2

m + -5.5 = -4.716990566 Simplifying m + -5.5 = -4.716990566 Reorder the terms: -5.5 + m = -4.716990566 Solving -5.5 + m = -4.716990566 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + m = -4.716990566 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + m = -4.716990566 + 5.5 m = -4.716990566 + 5.5 Combine like terms: -4.716990566 + 5.5 = 0.783009434 m = 0.783009434 Simplifying m = 0.783009434

Solution

The solution to the problem is based on the solutions from the subproblems. m = {10.216990566, 0.783009434}

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