3x^2-24x+63=18

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Solution for 3x^2-24x+63=18 equation:


Simplifying
3x2 + -24x + 63 = 18

Reorder the terms:
63 + -24x + 3x2 = 18

Solving
63 + -24x + 3x2 = 18

Solving for variable 'x'.

Reorder the terms:
63 + -18 + -24x + 3x2 = 18 + -18

Combine like terms: 63 + -18 = 45
45 + -24x + 3x2 = 18 + -18

Combine like terms: 18 + -18 = 0
45 + -24x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(15 + -8x + x2) = 0

Factor a trinomial.
3((3 + -1x)(5 + -1x)) = 0

Ignore the factor 3.

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 '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {3, 5}

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