3x^2-6x=-9

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Solution for 3x^2-6x=-9 equation:


Simplifying
3x2 + -6x = -9

Reorder the terms:
-6x + 3x2 = -9

Solving
-6x + 3x2 = -9

Solving for variable 'x'.

Reorder the terms:
9 + -6x + 3x2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + -6x + 3x2 = 0

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

Ignore the factor 3.

Subproblem 1

Set the factor '(3 + -2x + x2)' equal to zero and attempt to solve: Simplifying 3 + -2x + x2 = 0 Solving 3 + -2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-3' to each side of the equation. 3 + -2x + -3 + x2 = 0 + -3 Reorder the terms: 3 + -3 + -2x + x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x + x2 = 0 + -3 -2x + x2 = 0 + -3 Combine like terms: 0 + -3 = -3 -2x + x2 = -3 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 = -3 + 1 Reorder the terms: 1 + -2x + x2 = -3 + 1 Combine like terms: -3 + 1 = -2 1 + -2x + x2 = -2 Factor a perfect square on the left side: (x + -1)(x + -1) = -2 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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