-3x^2-3x=11

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Solution for -3x^2-3x=11 equation:


Simplifying
-3x2 + -3x = 11

Reorder the terms:
-3x + -3x2 = 11

Solving
-3x + -3x2 = 11

Solving for variable 'x'.

Reorder the terms:
-11 + -3x + -3x2 = 11 + -11

Combine like terms: 11 + -11 = 0
-11 + -3x + -3x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(11 + 3x + 3x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(11 + 3x + 3x2)' equal to zero and attempt to solve: Simplifying 11 + 3x + 3x2 = 0 Solving 11 + 3x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 3.666666667 + x + x2 = 0 Move the constant term to the right: Add '-3.666666667' to each side of the equation. 3.666666667 + x + -3.666666667 + x2 = 0 + -3.666666667 Reorder the terms: 3.666666667 + -3.666666667 + x + x2 = 0 + -3.666666667 Combine like terms: 3.666666667 + -3.666666667 = 0.000000000 0.000000000 + x + x2 = 0 + -3.666666667 x + x2 = 0 + -3.666666667 Combine like terms: 0 + -3.666666667 = -3.666666667 x + x2 = -3.666666667 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 = -3.666666667 + 0.25 Combine like terms: + 0.25 = 1.25 1.25 + x2 = -3.666666667 + 0.25 Combine like terms: -3.666666667 + 0.25 = -3.416666667 1.25 + x2 = -3.416666667 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = -3.416666667 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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