k^2=4k-11

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Solution for k^2=4k-11 equation:


Simplifying
k2 = 4k + -11

Reorder the terms:
k2 = -11 + 4k

Solving
k2 = -11 + 4k

Solving for variable 'k'.

Reorder the terms:
11 + -4k + k2 = -11 + 4k + 11 + -4k

Reorder the terms:
11 + -4k + k2 = -11 + 11 + 4k + -4k

Combine like terms: -11 + 11 = 0
11 + -4k + k2 = 0 + 4k + -4k
11 + -4k + k2 = 4k + -4k

Combine like terms: 4k + -4k = 0
11 + -4k + k2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-11' to each side of the equation.
11 + -4k + -11 + k2 = 0 + -11

Reorder the terms:
11 + -11 + -4k + k2 = 0 + -11

Combine like terms: 11 + -11 = 0
0 + -4k + k2 = 0 + -11
-4k + k2 = 0 + -11

Combine like terms: 0 + -11 = -11
-4k + k2 = -11

The k term is -4k.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4k + 4 + k2 = -11 + 4

Reorder the terms:
4 + -4k + k2 = -11 + 4

Combine like terms: -11 + 4 = -7
4 + -4k + k2 = -7

Factor a perfect square on the left side:
(k + -2)(k + -2) = -7

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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