c^2+6c-49=0

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Solution for c^2+6c-49=0 equation:


Simplifying
c2 + 6c + -49 = 0

Reorder the terms:
-49 + 6c + c2 = 0

Solving
-49 + 6c + c2 = 0

Solving for variable 'c'.

Begin completing the square.

Move the constant term to the right:

Add '49' to each side of the equation.
-49 + 6c + 49 + c2 = 0 + 49

Reorder the terms:
-49 + 49 + 6c + c2 = 0 + 49

Combine like terms: -49 + 49 = 0
0 + 6c + c2 = 0 + 49
6c + c2 = 0 + 49

Combine like terms: 0 + 49 = 49
6c + c2 = 49

The c term is 6c.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6c + 9 + c2 = 49 + 9

Reorder the terms:
9 + 6c + c2 = 49 + 9

Combine like terms: 49 + 9 = 58
9 + 6c + c2 = 58

Factor a perfect square on the left side:
(c + 3)(c + 3) = 58

Calculate the square root of the right side: 7.615773106

Break this problem into two subproblems by setting 
(c + 3) equal to 7.615773106 and -7.615773106.

Subproblem 1

c + 3 = 7.615773106 Simplifying c + 3 = 7.615773106 Reorder the terms: 3 + c = 7.615773106 Solving 3 + c = 7.615773106 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + c = 7.615773106 + -3 Combine like terms: 3 + -3 = 0 0 + c = 7.615773106 + -3 c = 7.615773106 + -3 Combine like terms: 7.615773106 + -3 = 4.615773106 c = 4.615773106 Simplifying c = 4.615773106

Subproblem 2

c + 3 = -7.615773106 Simplifying c + 3 = -7.615773106 Reorder the terms: 3 + c = -7.615773106 Solving 3 + c = -7.615773106 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + c = -7.615773106 + -3 Combine like terms: 3 + -3 = 0 0 + c = -7.615773106 + -3 c = -7.615773106 + -3 Combine like terms: -7.615773106 + -3 = -10.615773106 c = -10.615773106 Simplifying c = -10.615773106

Solution

The solution to the problem is based on the solutions from the subproblems. c = {4.615773106, -10.615773106}

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