2x^2-12x=864

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Solution for 2x^2-12x=864 equation:


Simplifying
2x2 + -12x = 864

Reorder the terms:
-12x + 2x2 = 864

Solving
-12x + 2x2 = 864

Solving for variable 'x'.

Reorder the terms:
-864 + -12x + 2x2 = 864 + -864

Combine like terms: 864 + -864 = 0
-864 + -12x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-432 + -6x + x2) = 0

Factor a trinomial.
2((-18 + -1x)(24 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-18 + -1x)' equal to zero and attempt to solve: Simplifying -18 + -1x = 0 Solving -18 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + -1x = 0 + 18 Combine like terms: -18 + 18 = 0 0 + -1x = 0 + 18 -1x = 0 + 18 Combine like terms: 0 + 18 = 18 -1x = 18 Divide each side by '-1'. x = -18 Simplifying x = -18

Subproblem 2

Set the factor '(24 + -1x)' equal to zero and attempt to solve: Simplifying 24 + -1x = 0 Solving 24 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-24' to each side of the equation. 24 + -24 + -1x = 0 + -24 Combine like terms: 24 + -24 = 0 0 + -1x = 0 + -24 -1x = 0 + -24 Combine like terms: 0 + -24 = -24 -1x = -24 Divide each side by '-1'. x = 24 Simplifying x = 24

Solution

x = {-18, 24}

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