108+3x^2-3x=36x-18

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Solution for 108+3x^2-3x=36x-18 equation:


Simplifying
108 + 3x2 + -3x = 36x + -18

Reorder the terms:
108 + -3x + 3x2 = 36x + -18

Reorder the terms:
108 + -3x + 3x2 = -18 + 36x

Solving
108 + -3x + 3x2 = -18 + 36x

Solving for variable 'x'.

Reorder the terms:
108 + 18 + -3x + -36x + 3x2 = -18 + 36x + 18 + -36x

Combine like terms: 108 + 18 = 126
126 + -3x + -36x + 3x2 = -18 + 36x + 18 + -36x

Combine like terms: -3x + -36x = -39x
126 + -39x + 3x2 = -18 + 36x + 18 + -36x

Reorder the terms:
126 + -39x + 3x2 = -18 + 18 + 36x + -36x

Combine like terms: -18 + 18 = 0
126 + -39x + 3x2 = 0 + 36x + -36x
126 + -39x + 3x2 = 36x + -36x

Combine like terms: 36x + -36x = 0
126 + -39x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(42 + -13x + x2) = 0

Factor a trinomial.
3((6 + -1x)(7 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {6, 7}

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