-4x^2-4x-11=0

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Solution for -4x^2-4x-11=0 equation:


Simplifying
-4x2 + -4x + -11 = 0

Reorder the terms:
-11 + -4x + -4x2 = 0

Solving
-11 + -4x + -4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(11 + 4x + 4x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(11 + 4x + 4x2)' equal to zero and attempt to solve: Simplifying 11 + 4x + 4x2 = 0 Solving 11 + 4x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 2.75 + x + x2 = 0 Move the constant term to the right: Add '-2.75' to each side of the equation. 2.75 + x + -2.75 + x2 = 0 + -2.75 Reorder the terms: 2.75 + -2.75 + x + x2 = 0 + -2.75 Combine like terms: 2.75 + -2.75 = 0.00 0.00 + x + x2 = 0 + -2.75 x + x2 = 0 + -2.75 Combine like terms: 0 + -2.75 = -2.75 x + x2 = -2.75 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. + 0.25 + x2 = -2.75 + 0.25 Combine like terms: + 0.25 = 1.25 1.25 + x2 = -2.75 + 0.25 Combine like terms: -2.75 + 0.25 = -2.5 1.25 + x2 = -2.5 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = -2.5 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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