18a^2+46a-24=0

Solution for 18a^2+46a-24=0 equation:

Simplifying
18a2 + 46a + -24 = 0

Reorder the terms:
-24 + 46a + 18a2 = 0

Solving
-24 + 46a + 18a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-12 + 23a + 9a2) = 0

Factor a trinomial.
2((-3 + -1a)(4 + -9a)) = 0

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

Simplifying
-3 + -1a = 0

Solving
-3 + -1a = 0

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

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

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

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

Divide each side by '-1'.
a = -3

Simplifying
a = -3
Subproblem 2
Set the factor '(4 + -9a)' equal to zero and attempt to solve:

Simplifying
4 + -9a = 0

Solving
4 + -9a = 0

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

Add '-4' to each side of the equation.
4 + -4 + -9a = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -9a = 0 + -4
-9a = 0 + -4

Combine like terms: 0 + -4 = -4
-9a = -4

Divide each side by '-9'.
a = 0.4444444444

Simplifying
a = 0.4444444444
Solution
a = {-3, 0.4444444444}