m^2-14m=49

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


Simplifying
m2 + -14m = 49

Reorder the terms:
-14m + m2 = 49

Solving
-14m + m2 = 49

Solving for variable 'm'.

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

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

Begin completing the square.

Move the constant term to the right:

Add '49' to each side of the equation.
-49 + -14m + 49 + m2 = 0 + 49

Reorder the terms:
-49 + 49 + -14m + m2 = 0 + 49

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

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

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 = 49 + 49

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

Combine like terms: 49 + 49 = 98
49 + -14m + m2 = 98

Factor a perfect square on the left side:
(m + -7)(m + -7) = 98

Calculate the square root of the right side: 9.899494937

Break this problem into two subproblems by setting 
(m + -7) equal to 9.899494937 and -9.899494937.

Subproblem 1

m + -7 = 9.899494937 Simplifying m + -7 = 9.899494937 Reorder the terms: -7 + m = 9.899494937 Solving -7 + m = 9.899494937 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 = 9.899494937 + 7 Combine like terms: -7 + 7 = 0 0 + m = 9.899494937 + 7 m = 9.899494937 + 7 Combine like terms: 9.899494937 + 7 = 16.899494937 m = 16.899494937 Simplifying m = 16.899494937

Subproblem 2

m + -7 = -9.899494937 Simplifying m + -7 = -9.899494937 Reorder the terms: -7 + m = -9.899494937 Solving -7 + m = -9.899494937 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 = -9.899494937 + 7 Combine like terms: -7 + 7 = 0 0 + m = -9.899494937 + 7 m = -9.899494937 + 7 Combine like terms: -9.899494937 + 7 = -2.899494937 m = -2.899494937 Simplifying m = -2.899494937

Solution

The solution to the problem is based on the solutions from the subproblems. m = {16.899494937, -2.899494937}

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