m^2+2m-49=0

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Solution for m^2+2m-49=0 equation:


Simplifying
m2 + 2m + -49 = 0

Reorder the terms:
-49 + 2m + m2 = 0

Solving
-49 + 2m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '49' to each side of the equation.
-49 + 2m + 49 + m2 = 0 + 49

Reorder the terms:
-49 + 49 + 2m + m2 = 0 + 49

Combine like terms: -49 + 49 = 0
0 + 2m + m2 = 0 + 49
2m + m2 = 0 + 49

Combine like terms: 0 + 49 = 49
2m + m2 = 49

The m term is 2m.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2m + 1 + m2 = 49 + 1

Reorder the terms:
1 + 2m + m2 = 49 + 1

Combine like terms: 49 + 1 = 50
1 + 2m + m2 = 50

Factor a perfect square on the left side:
(m + 1)(m + 1) = 50

Calculate the square root of the right side: 7.071067812

Break this problem into two subproblems by setting 
(m + 1) equal to 7.071067812 and -7.071067812.

Subproblem 1

m + 1 = 7.071067812 Simplifying m + 1 = 7.071067812 Reorder the terms: 1 + m = 7.071067812 Solving 1 + m = 7.071067812 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + m = 7.071067812 + -1 Combine like terms: 1 + -1 = 0 0 + m = 7.071067812 + -1 m = 7.071067812 + -1 Combine like terms: 7.071067812 + -1 = 6.071067812 m = 6.071067812 Simplifying m = 6.071067812

Subproblem 2

m + 1 = -7.071067812 Simplifying m + 1 = -7.071067812 Reorder the terms: 1 + m = -7.071067812 Solving 1 + m = -7.071067812 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + m = -7.071067812 + -1 Combine like terms: 1 + -1 = 0 0 + m = -7.071067812 + -1 m = -7.071067812 + -1 Combine like terms: -7.071067812 + -1 = -8.071067812 m = -8.071067812 Simplifying m = -8.071067812

Solution

The solution to the problem is based on the solutions from the subproblems. m = {6.071067812, -8.071067812}

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