-3x^2-6x-99=0

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Solution for -3x^2-6x-99=0 equation:


Simplifying
-3x2 + -6x + -99 = 0

Reorder the terms:
-99 + -6x + -3x2 = 0

Solving
-99 + -6x + -3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-3'.
-3(33 + 2x + x2) = 0

Ignore the factor -3.

Subproblem 1

Set the factor '(33 + 2x + x2)' equal to zero and attempt to solve: Simplifying 33 + 2x + x2 = 0 Solving 33 + 2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-33' to each side of the equation. 33 + 2x + -33 + x2 = 0 + -33 Reorder the terms: 33 + -33 + 2x + x2 = 0 + -33 Combine like terms: 33 + -33 = 0 0 + 2x + x2 = 0 + -33 2x + x2 = 0 + -33 Combine like terms: 0 + -33 = -33 2x + x2 = -33 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = -33 + 1 Reorder the terms: 1 + 2x + x2 = -33 + 1 Combine like terms: -33 + 1 = -32 1 + 2x + x2 = -32 Factor a perfect square on the left side: (x + 1)(x + 1) = -32 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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