2k=-9k^2-10

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Solution for 2k=-9k^2-10 equation:


Simplifying
2k = -9k2 + -10

Reorder the terms:
2k = -10 + -9k2

Solving
2k = -10 + -9k2

Solving for variable 'k'.

Reorder the terms:
10 + 2k + 9k2 = -10 + -9k2 + 10 + 9k2

Reorder the terms:
10 + 2k + 9k2 = -10 + 10 + -9k2 + 9k2

Combine like terms: -10 + 10 = 0
10 + 2k + 9k2 = 0 + -9k2 + 9k2
10 + 2k + 9k2 = -9k2 + 9k2

Combine like terms: -9k2 + 9k2 = 0
10 + 2k + 9k2 = 0

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

Divide each side by '9'.
1.111111111 + 0.2222222222k + k2 = 0

Move the constant term to the right:

Add '-1.111111111' to each side of the equation.
1.111111111 + 0.2222222222k + -1.111111111 + k2 = 0 + -1.111111111

Reorder the terms:
1.111111111 + -1.111111111 + 0.2222222222k + k2 = 0 + -1.111111111

Combine like terms: 1.111111111 + -1.111111111 = 0.000000000
0.000000000 + 0.2222222222k + k2 = 0 + -1.111111111
0.2222222222k + k2 = 0 + -1.111111111

Combine like terms: 0 + -1.111111111 = -1.111111111
0.2222222222k + k2 = -1.111111111

The k term is 0.2222222222k.  Take half its coefficient (0.1111111111).
Square it (0.01234567901) and add it to both sides.

Add '0.01234567901' to each side of the equation.
0.2222222222k + 0.01234567901 + k2 = -1.111111111 + 0.01234567901

Reorder the terms:
0.01234567901 + 0.2222222222k + k2 = -1.111111111 + 0.01234567901

Combine like terms: -1.111111111 + 0.01234567901 = -1.09876543199
0.01234567901 + 0.2222222222k + k2 = -1.09876543199

Factor a perfect square on the left side:
(k + 0.1111111111)(k + 0.1111111111) = -1.09876543199

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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