18x^2+2x=-6

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Solution for 18x^2+2x=-6 equation:


Simplifying
18x2 + 2x = -6

Reorder the terms:
2x + 18x2 = -6

Solving
2x + 18x2 = -6

Solving for variable 'x'.

Reorder the terms:
6 + 2x + 18x2 = -6 + 6

Combine like terms: -6 + 6 = 0
6 + 2x + 18x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(3 + x + 9x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(3 + x + 9x2)' equal to zero and attempt to solve: Simplifying 3 + x + 9x2 = 0 Solving 3 + x + 9x2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 0.3333333333 + 0.1111111111x + x2 = 0 Move the constant term to the right: Add '-0.3333333333' to each side of the equation. 0.3333333333 + 0.1111111111x + -0.3333333333 + x2 = 0 + -0.3333333333 Reorder the terms: 0.3333333333 + -0.3333333333 + 0.1111111111x + x2 = 0 + -0.3333333333 Combine like terms: 0.3333333333 + -0.3333333333 = 0.0000000000 0.0000000000 + 0.1111111111x + x2 = 0 + -0.3333333333 0.1111111111x + x2 = 0 + -0.3333333333 Combine like terms: 0 + -0.3333333333 = -0.3333333333 0.1111111111x + x2 = -0.3333333333 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. 0.1111111111x + 0.25 + x2 = -0.3333333333 + 0.25 Reorder the terms: 0.25 + 0.1111111111x + x2 = -0.3333333333 + 0.25 Combine like terms: -0.3333333333 + 0.25 = -0.0833333333 0.25 + 0.1111111111x + x2 = -0.0833333333 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = -0.0833333333 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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