0=k^2-10k+61

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Solution for 0=k^2-10k+61 equation:


Simplifying
0 = k2 + -10k + 61

Reorder the terms:
0 = 61 + -10k + k2

Solving
0 = 61 + -10k + k2

Solving for variable 'k'.

Combine like terms: 0 + -61 = -61
-61 + 10k + -1k2 = 61 + -10k + k2 + -61 + 10k + -1k2

Reorder the terms:
-61 + 10k + -1k2 = 61 + -61 + -10k + 10k + k2 + -1k2

Combine like terms: 61 + -61 = 0
-61 + 10k + -1k2 = 0 + -10k + 10k + k2 + -1k2
-61 + 10k + -1k2 = -10k + 10k + k2 + -1k2

Combine like terms: -10k + 10k = 0
-61 + 10k + -1k2 = 0 + k2 + -1k2
-61 + 10k + -1k2 = k2 + -1k2

Combine like terms: k2 + -1k2 = 0
-61 + 10k + -1k2 = 0

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

Divide each side by '-1'.
61 + -10k + k2 = 0

Move the constant term to the right:

Add '-61' to each side of the equation.
61 + -10k + -61 + k2 = 0 + -61

Reorder the terms:
61 + -61 + -10k + k2 = 0 + -61

Combine like terms: 61 + -61 = 0
0 + -10k + k2 = 0 + -61
-10k + k2 = 0 + -61

Combine like terms: 0 + -61 = -61
-10k + k2 = -61

The k term is -10k.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10k + 25 + k2 = -61 + 25

Reorder the terms:
25 + -10k + k2 = -61 + 25

Combine like terms: -61 + 25 = -36
25 + -10k + k2 = -36

Factor a perfect square on the left side:
(k + -5)(k + -5) = -36

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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