2x^2-12x=-18

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Solution for 2x^2-12x=-18 equation:


Simplifying
2x2 + -12x = -18

Reorder the terms:
-12x + 2x2 = -18

Solving
-12x + 2x2 = -18

Solving for variable 'x'.

Reorder the terms:
18 + -12x + 2x2 = -18 + 18

Combine like terms: -18 + 18 = 0
18 + -12x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(9 + -6x + x2) = 0

Factor a trinomial.
2((3 + -1x)(3 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {3, 3}

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