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((-24 + -1x)(18 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Solution

x = {-24, 18}

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