11+3x=15-3x-18x^2

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Solution for 11+3x=15-3x-18x^2 equation: 


Simplifying
11 + 3x = 15 + -3x + -18x2

Solving
11 + 3x = 15 + -3x + -18x2

Solving for variable 'x'.

Reorder the terms:
11 + -15 + 3x + 3x + 18x2 = 15 + -3x + -18x2 + -15 + 3x + 18x2

Combine like terms: 11 + -15 = -4
-4 + 3x + 3x + 18x2 = 15 + -3x + -18x2 + -15 + 3x + 18x2

Combine like terms: 3x + 3x = 6x
-4 + 6x + 18x2 = 15 + -3x + -18x2 + -15 + 3x + 18x2

Reorder the terms:
-4 + 6x + 18x2 = 15 + -15 + -3x + 3x + -18x2 + 18x2

Combine like terms: 15 + -15 = 0
-4 + 6x + 18x2 = 0 + -3x + 3x + -18x2 + 18x2
-4 + 6x + 18x2 = -3x + 3x + -18x2 + 18x2

Combine like terms: -3x + 3x = 0
-4 + 6x + 18x2 = 0 + -18x2 + 18x2
-4 + 6x + 18x2 = -18x2 + 18x2

Combine like terms: -18x2 + 18x2 = 0
-4 + 6x + 18x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-2 + 3x + 9x2) = 0

Factor a trinomial.
2((-2 + -3x)(1 + -3x)) = 0

Ignore the factor 2.

Subproblem 1
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

Subproblem 2
Set the factor '(1 + -3x)' equal to zero and attempt to solve:

Simplifying
1 + -3x = 0

Solving
1 + -3x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + -3x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -3x = 0 + -1
-3x = 0 + -1

Combine like terms: 0 + -1 = -1
-3x = -1

Divide each side by '-3'.
x = 0.3333333333

Simplifying
x = 0.3333333333
Solution
x = {-0.6666666667, 0.3333333333}

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