18x^2+39x=-18

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Solution for 18x^2+39x=-18 equation:


Simplifying
18x2 + 39x = -18

Reorder the terms:
39x + 18x2 = -18

Solving
39x + 18x2 = -18

Solving for variable 'x'.

Reorder the terms:
18 + 39x + 18x2 = -18 + 18

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

Factor out the Greatest Common Factor (GCF), '3'.
3(6 + 13x + 6x2) = 0

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

Ignore the factor 3.

Subproblem 1

Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 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 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Subproblem 2

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {-1.5, -0.6666666667}

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