9x^2+18x-23=4

Solution for 9x^2+18x-23=4 equation:

Simplifying
9x2 + 18x + -23 = 4

Reorder the terms:
-23 + 18x + 9x2 = 4

Solving
-23 + 18x + 9x2 = 4

Solving for variable 'x'.

Reorder the terms:
-23 + -4 + 18x + 9x2 = 4 + -4

Combine like terms: -23 + -4 = -27
-27 + 18x + 9x2 = 4 + -4

Combine like terms: 4 + -4 = 0
-27 + 18x + 9x2 = 0

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

Factor a trinomial.
9((-3 + -1x)(1 + -1x)) = 0

Ignore the factor 9.
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 '(1 + -1x)' equal to zero and attempt to solve:

Simplifying
1 + -1x = 0

Solving
1 + -1x = 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 + -1x = 0 + -1

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

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

Divide each side by '-1'.
x = 1

Simplifying
x = 1
Solution
x = {-3, 1}