56c^2-23c=23

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Solution for 56c^2-23c=23 equation:


Simplifying
56c2 + -23c = 23

Reorder the terms:
-23c + 56c2 = 23

Solving
-23c + 56c2 = 23

Solving for variable 'c'.

Reorder the terms:
-23 + -23c + 56c2 = 23 + -23

Combine like terms: 23 + -23 = 0
-23 + -23c + 56c2 = 0

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

Divide each side by '56'.
-0.4107142857 + -0.4107142857c + c2 = 0

Move the constant term to the right:

Add '0.4107142857' to each side of the equation.
-0.4107142857 + -0.4107142857c + 0.4107142857 + c2 = 0 + 0.4107142857

Reorder the terms:
-0.4107142857 + 0.4107142857 + -0.4107142857c + c2 = 0 + 0.4107142857

Combine like terms: -0.4107142857 + 0.4107142857 = 0.0000000000
0.0000000000 + -0.4107142857c + c2 = 0 + 0.4107142857
-0.4107142857c + c2 = 0 + 0.4107142857

Combine like terms: 0 + 0.4107142857 = 0.4107142857
-0.4107142857c + c2 = 0.4107142857

The c term is -0.4107142857c.  Take half its coefficient (-0.2053571429).
Square it (0.04217155614) and add it to both sides.

Add '0.04217155614' to each side of the equation.
-0.4107142857c + 0.04217155614 + c2 = 0.4107142857 + 0.04217155614

Reorder the terms:
0.04217155614 + -0.4107142857c + c2 = 0.4107142857 + 0.04217155614

Combine like terms: 0.4107142857 + 0.04217155614 = 0.45288584184
0.04217155614 + -0.4107142857c + c2 = 0.45288584184

Factor a perfect square on the left side:
(c + -0.2053571429)(c + -0.2053571429) = 0.45288584184

Calculate the square root of the right side: 0.672967935

Break this problem into two subproblems by setting 
(c + -0.2053571429) equal to 0.672967935 and -0.672967935.

Subproblem 1

c + -0.2053571429 = 0.672967935 Simplifying c + -0.2053571429 = 0.672967935 Reorder the terms: -0.2053571429 + c = 0.672967935 Solving -0.2053571429 + c = 0.672967935 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '0.2053571429' to each side of the equation. -0.2053571429 + 0.2053571429 + c = 0.672967935 + 0.2053571429 Combine like terms: -0.2053571429 + 0.2053571429 = 0.0000000000 0.0000000000 + c = 0.672967935 + 0.2053571429 c = 0.672967935 + 0.2053571429 Combine like terms: 0.672967935 + 0.2053571429 = 0.8783250779 c = 0.8783250779 Simplifying c = 0.8783250779

Subproblem 2

c + -0.2053571429 = -0.672967935 Simplifying c + -0.2053571429 = -0.672967935 Reorder the terms: -0.2053571429 + c = -0.672967935 Solving -0.2053571429 + c = -0.672967935 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '0.2053571429' to each side of the equation. -0.2053571429 + 0.2053571429 + c = -0.672967935 + 0.2053571429 Combine like terms: -0.2053571429 + 0.2053571429 = 0.0000000000 0.0000000000 + c = -0.672967935 + 0.2053571429 c = -0.672967935 + 0.2053571429 Combine like terms: -0.672967935 + 0.2053571429 = -0.4676107921 c = -0.4676107921 Simplifying c = -0.4676107921

Solution

The solution to the problem is based on the solutions from the subproblems. c = {0.8783250779, -0.4676107921}

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