10k^2+5k=-11

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Solution for 10k^2+5k=-11 equation:


Simplifying
10k2 + 5k = -11

Reorder the terms:
5k + 10k2 = -11

Solving
5k + 10k2 = -11

Solving for variable 'k'.

Reorder the terms:
11 + 5k + 10k2 = -11 + 11

Combine like terms: -11 + 11 = 0
11 + 5k + 10k2 = 0

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

Divide each side by '10'.
1.1 + 0.5k + k2 = 0

Move the constant term to the right:

Add '-1.1' to each side of the equation.
1.1 + 0.5k + -1.1 + k2 = 0 + -1.1

Reorder the terms:
1.1 + -1.1 + 0.5k + k2 = 0 + -1.1

Combine like terms: 1.1 + -1.1 = 0.0
0.0 + 0.5k + k2 = 0 + -1.1
0.5k + k2 = 0 + -1.1

Combine like terms: 0 + -1.1 = -1.1
0.5k + k2 = -1.1

The k term is 0.5k.  Take half its coefficient (0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
0.5k + 0.0625 + k2 = -1.1 + 0.0625

Reorder the terms:
0.0625 + 0.5k + k2 = -1.1 + 0.0625

Combine like terms: -1.1 + 0.0625 = -1.0375
0.0625 + 0.5k + k2 = -1.0375

Factor a perfect square on the left side:
(k + 0.25)(k + 0.25) = -1.0375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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