9k^2-27k+28=0

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Solution for 9k^2-27k+28=0 equation:


Simplifying
9k2 + -27k + 28 = 0

Reorder the terms:
28 + -27k + 9k2 = 0

Solving
28 + -27k + 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'.
3.111111111 + -3k + k2 = 0

Move the constant term to the right:

Add '-3.111111111' to each side of the equation.
3.111111111 + -3k + -3.111111111 + k2 = 0 + -3.111111111

Reorder the terms:
3.111111111 + -3.111111111 + -3k + k2 = 0 + -3.111111111

Combine like terms: 3.111111111 + -3.111111111 = 0.000000000
0.000000000 + -3k + k2 = 0 + -3.111111111
-3k + k2 = 0 + -3.111111111

Combine like terms: 0 + -3.111111111 = -3.111111111
-3k + k2 = -3.111111111

The k term is -3k.  Take half its coefficient (-1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
-3k + 2.25 + k2 = -3.111111111 + 2.25

Reorder the terms:
2.25 + -3k + k2 = -3.111111111 + 2.25

Combine like terms: -3.111111111 + 2.25 = -0.861111111
2.25 + -3k + k2 = -0.861111111

Factor a perfect square on the left side:
(k + -1.5)(k + -1.5) = -0.861111111

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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