15=m^2-14m+49

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Solution for 15=m^2-14m+49 equation:


Simplifying
15 = m2 + -14m + 49

Reorder the terms:
15 = 49 + -14m + m2

Solving
15 = 49 + -14m + m2

Solving for variable 'm'.

Combine like terms: 15 + -49 = -34
-34 + 14m + -1m2 = 49 + -14m + m2 + -49 + 14m + -1m2

Reorder the terms:
-34 + 14m + -1m2 = 49 + -49 + -14m + 14m + m2 + -1m2

Combine like terms: 49 + -49 = 0
-34 + 14m + -1m2 = 0 + -14m + 14m + m2 + -1m2
-34 + 14m + -1m2 = -14m + 14m + m2 + -1m2

Combine like terms: -14m + 14m = 0
-34 + 14m + -1m2 = 0 + m2 + -1m2
-34 + 14m + -1m2 = m2 + -1m2

Combine like terms: m2 + -1m2 = 0
-34 + 14m + -1m2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
34 + -14m + m2 = 0

Move the constant term to the right:

Add '-34' to each side of the equation.
34 + -14m + -34 + m2 = 0 + -34

Reorder the terms:
34 + -34 + -14m + m2 = 0 + -34

Combine like terms: 34 + -34 = 0
0 + -14m + m2 = 0 + -34
-14m + m2 = 0 + -34

Combine like terms: 0 + -34 = -34
-14m + m2 = -34

The m term is -14m.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14m + 49 + m2 = -34 + 49

Reorder the terms:
49 + -14m + m2 = -34 + 49

Combine like terms: -34 + 49 = 15
49 + -14m + m2 = 15

Factor a perfect square on the left side:
(m + -7)(m + -7) = 15

Calculate the square root of the right side: 3.872983346

Break this problem into two subproblems by setting 
(m + -7) equal to 3.872983346 and -3.872983346.

Subproblem 1

m + -7 = 3.872983346 Simplifying m + -7 = 3.872983346 Reorder the terms: -7 + m = 3.872983346 Solving -7 + m = 3.872983346 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + m = 3.872983346 + 7 Combine like terms: -7 + 7 = 0 0 + m = 3.872983346 + 7 m = 3.872983346 + 7 Combine like terms: 3.872983346 + 7 = 10.872983346 m = 10.872983346 Simplifying m = 10.872983346

Subproblem 2

m + -7 = -3.872983346 Simplifying m + -7 = -3.872983346 Reorder the terms: -7 + m = -3.872983346 Solving -7 + m = -3.872983346 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + m = -3.872983346 + 7 Combine like terms: -7 + 7 = 0 0 + m = -3.872983346 + 7 m = -3.872983346 + 7 Combine like terms: -3.872983346 + 7 = 3.127016654 m = 3.127016654 Simplifying m = 3.127016654

Solution

The solution to the problem is based on the solutions from the subproblems. m = {10.872983346, 3.127016654}

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