27+20k=-3k(9k-3)

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Solution for 27+20k=-3k(9k-3) equation:


Simplifying
27 + 20k = -3k(9k + -3)

Reorder the terms:
27 + 20k = -3k(-3 + 9k)
27 + 20k = (-3 * -3k + 9k * -3k)
27 + 20k = (9k + -27k2)

Solving
27 + 20k = 9k + -27k2

Solving for variable 'k'.

Combine like terms: 20k + -9k = 11k
27 + 11k + 27k2 = 9k + -27k2 + -9k + 27k2

Reorder the terms:
27 + 11k + 27k2 = 9k + -9k + -27k2 + 27k2

Combine like terms: 9k + -9k = 0
27 + 11k + 27k2 = 0 + -27k2 + 27k2
27 + 11k + 27k2 = -27k2 + 27k2

Combine like terms: -27k2 + 27k2 = 0
27 + 11k + 27k2 = 0

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

Divide each side by '27'.
1 + 0.4074074074k + k2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 0.4074074074k + -1 + k2 = 0 + -1

Reorder the terms:
1 + -1 + 0.4074074074k + k2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 0.4074074074k + k2 = 0 + -1
0.4074074074k + k2 = 0 + -1

Combine like terms: 0 + -1 = -1
0.4074074074k + k2 = -1

The k term is 0.4074074074k.  Take half its coefficient (0.2037037037).
Square it (0.04149519890) and add it to both sides.

Add '0.04149519890' to each side of the equation.
0.4074074074k + 0.04149519890 + k2 = -1 + 0.04149519890

Reorder the terms:
0.04149519890 + 0.4074074074k + k2 = -1 + 0.04149519890

Combine like terms: -1 + 0.04149519890 = -0.9585048011
0.04149519890 + 0.4074074074k + k2 = -0.9585048011

Factor a perfect square on the left side:
(k + 0.2037037037)(k + 0.2037037037) = -0.9585048011

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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