C^2+-24C=255

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Solution for C^2+-24C=255 equation:


Simplifying
C2 + -24C = 255

Reorder the terms:
-24C + C2 = 255

Solving
-24C + C2 = 255

Solving for variable 'C'.

Reorder the terms:
-255 + -24C + C2 = 255 + -255

Combine like terms: 255 + -255 = 0
-255 + -24C + C2 = 0

Begin completing the square.

Move the constant term to the right:

Add '255' to each side of the equation.
-255 + -24C + 255 + C2 = 0 + 255

Reorder the terms:
-255 + 255 + -24C + C2 = 0 + 255

Combine like terms: -255 + 255 = 0
0 + -24C + C2 = 0 + 255
-24C + C2 = 0 + 255

Combine like terms: 0 + 255 = 255
-24C + C2 = 255

The C term is -24C.  Take half its coefficient (-12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
-24C + 144 + C2 = 255 + 144

Reorder the terms:
144 + -24C + C2 = 255 + 144

Combine like terms: 255 + 144 = 399
144 + -24C + C2 = 399

Factor a perfect square on the left side:
(C + -12)(C + -12) = 399

Calculate the square root of the right side: 19.974984355

Break this problem into two subproblems by setting 
(C + -12) equal to 19.974984355 and -19.974984355.

Subproblem 1

C + -12 = 19.974984355 Simplifying C + -12 = 19.974984355 Reorder the terms: -12 + C = 19.974984355 Solving -12 + C = 19.974984355 Solving for variable 'C'. Move all terms containing C to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + C = 19.974984355 + 12 Combine like terms: -12 + 12 = 0 0 + C = 19.974984355 + 12 C = 19.974984355 + 12 Combine like terms: 19.974984355 + 12 = 31.974984355 C = 31.974984355 Simplifying C = 31.974984355

Subproblem 2

C + -12 = -19.974984355 Simplifying C + -12 = -19.974984355 Reorder the terms: -12 + C = -19.974984355 Solving -12 + C = -19.974984355 Solving for variable 'C'. Move all terms containing C to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + C = -19.974984355 + 12 Combine like terms: -12 + 12 = 0 0 + C = -19.974984355 + 12 C = -19.974984355 + 12 Combine like terms: -19.974984355 + 12 = -7.974984355 C = -7.974984355 Simplifying C = -7.974984355

Solution

The solution to the problem is based on the solutions from the subproblems. C = {31.974984355, -7.974984355}

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