18x^2-67x-20=0

Solution for 18x^2-67x-20=0 equation:

Simplifying
18x2 + -67x + -20 = 0

Reorder the terms:
-20 + -67x + 18x2 = 0

Solving
-20 + -67x + 18x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -18x)(4 + -1x) = 0

Subproblem 1
Set the factor '(-5 + -18x)' equal to zero and attempt to solve:

Simplifying
-5 + -18x = 0

Solving
-5 + -18x = 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 + -18x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -18x = 0 + 5
-18x = 0 + 5

Combine like terms: 0 + 5 = 5
-18x = 5

Divide each side by '-18'.
x = -0.2777777778

Simplifying
x = -0.2777777778
Subproblem 2
Set the factor '(4 + -1x)' equal to zero and attempt to solve:

Simplifying
4 + -1x = 0

Solving
4 + -1x = 0

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

Add '-4' to each side of the equation.
4 + -4 + -1x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1x = 0 + -4
-1x = 0 + -4

Combine like terms: 0 + -4 = -4
-1x = -4

Divide each side by '-1'.
x = 4

Simplifying
x = 4
Solution
x = {-0.2777777778, 4}