9k^2-22k+56=0

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Solution for 9k^2-22k+56=0 equation:


Simplifying
9k2 + -22k + 56 = 0

Reorder the terms:
56 + -22k + 9k2 = 0

Solving
56 + -22k + 9k2 = 0

Solving for variable 'k'.

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

Divide each side by '9'.
6.222222222 + -2.444444444k + k2 = 0

Move the constant term to the right:

Add '-6.222222222' to each side of the equation.
6.222222222 + -2.444444444k + -6.222222222 + k2 = 0 + -6.222222222

Reorder the terms:
6.222222222 + -6.222222222 + -2.444444444k + k2 = 0 + -6.222222222

Combine like terms: 6.222222222 + -6.222222222 = 0.000000000
0.000000000 + -2.444444444k + k2 = 0 + -6.222222222
-2.444444444k + k2 = 0 + -6.222222222

Combine like terms: 0 + -6.222222222 = -6.222222222
-2.444444444k + k2 = -6.222222222

The k term is -2.444444444k.  Take half its coefficient (-1.222222222).
Square it (1.493827160) and add it to both sides.

Add '1.493827160' to each side of the equation.
-2.444444444k + 1.493827160 + k2 = -6.222222222 + 1.493827160

Reorder the terms:
1.493827160 + -2.444444444k + k2 = -6.222222222 + 1.493827160

Combine like terms: -6.222222222 + 1.493827160 = -4.728395062
1.493827160 + -2.444444444k + k2 = -4.728395062

Factor a perfect square on the left side:
(k + -1.222222222)(k + -1.222222222) = -4.728395062

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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