2600=k^2-480*k+57600

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Solution for 2600=k^2-480*k+57600 equation:


Simplifying
2600 = k2 + -480k + 57600

Reorder the terms:
2600 = 57600 + -480k + k2

Solving
2600 = 57600 + -480k + k2

Solving for variable 'k'.

Combine like terms: 2600 + -57600 = -55000
-55000 + 480k + -1k2 = 57600 + -480k + k2 + -57600 + 480k + -1k2

Reorder the terms:
-55000 + 480k + -1k2 = 57600 + -57600 + -480k + 480k + k2 + -1k2

Combine like terms: 57600 + -57600 = 0
-55000 + 480k + -1k2 = 0 + -480k + 480k + k2 + -1k2
-55000 + 480k + -1k2 = -480k + 480k + k2 + -1k2

Combine like terms: -480k + 480k = 0
-55000 + 480k + -1k2 = 0 + k2 + -1k2
-55000 + 480k + -1k2 = k2 + -1k2

Combine like terms: k2 + -1k2 = 0
-55000 + 480k + -1k2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
55000 + -480k + k2 = 0

Move the constant term to the right:

Add '-55000' to each side of the equation.
55000 + -480k + -55000 + k2 = 0 + -55000

Reorder the terms:
55000 + -55000 + -480k + k2 = 0 + -55000

Combine like terms: 55000 + -55000 = 0
0 + -480k + k2 = 0 + -55000
-480k + k2 = 0 + -55000

Combine like terms: 0 + -55000 = -55000
-480k + k2 = -55000

The k term is -480k.  Take half its coefficient (-240).
Square it (57600) and add it to both sides.

Add '57600' to each side of the equation.
-480k + 57600 + k2 = -55000 + 57600

Reorder the terms:
57600 + -480k + k2 = -55000 + 57600

Combine like terms: -55000 + 57600 = 2600
57600 + -480k + k2 = 2600

Factor a perfect square on the left side:
(k + -240)(k + -240) = 2600

Calculate the square root of the right side: 50.990195136

Break this problem into two subproblems by setting 
(k + -240) equal to 50.990195136 and -50.990195136.

Subproblem 1

k + -240 = 50.990195136 Simplifying k + -240 = 50.990195136 Reorder the terms: -240 + k = 50.990195136 Solving -240 + k = 50.990195136 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '240' to each side of the equation. -240 + 240 + k = 50.990195136 + 240 Combine like terms: -240 + 240 = 0 0 + k = 50.990195136 + 240 k = 50.990195136 + 240 Combine like terms: 50.990195136 + 240 = 290.990195136 k = 290.990195136 Simplifying k = 290.990195136

Subproblem 2

k + -240 = -50.990195136 Simplifying k + -240 = -50.990195136 Reorder the terms: -240 + k = -50.990195136 Solving -240 + k = -50.990195136 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '240' to each side of the equation. -240 + 240 + k = -50.990195136 + 240 Combine like terms: -240 + 240 = 0 0 + k = -50.990195136 + 240 k = -50.990195136 + 240 Combine like terms: -50.990195136 + 240 = 189.009804864 k = 189.009804864 Simplifying k = 189.009804864

Solution

The solution to the problem is based on the solutions from the subproblems. k = {290.990195136, 189.009804864}

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