-3x(x+2)=6

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Solution for -3x(x+2)=6 equation:


Simplifying
-3x(x + 2) = 6

Reorder the terms:
-3x(2 + x) = 6
(2 * -3x + x * -3x) = 6
(-6x + -3x2) = 6

Solving
-6x + -3x2 = 6

Solving for variable 'x'.

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

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

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

Ignore the factor -3.

Subproblem 1

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