18b^2-3b-10=-4

Solution for 18b^2-3b-10=-4 equation:

Simplifying
18b2 + -3b + -10 = -4

Reorder the terms:
-10 + -3b + 18b2 = -4

Solving
-10 + -3b + 18b2 = -4

Solving for variable 'b'.

Reorder the terms:
-10 + 4 + -3b + 18b2 = -4 + 4

Combine like terms: -10 + 4 = -6
-6 + -3b + 18b2 = -4 + 4

Combine like terms: -4 + 4 = 0
-6 + -3b + 18b2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-2 + -1b + 6b2) = 0

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

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

Simplifying
-1 + -2b = 0

Solving
-1 + -2b = 0

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

Add '1' to each side of the equation.
-1 + 1 + -2b = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -2b = 0 + 1
-2b = 0 + 1

Combine like terms: 0 + 1 = 1
-2b = 1

Divide each side by '-2'.
b = -0.5

Simplifying
b = -0.5
Subproblem 2
Set the factor '(2 + -3b)' equal to zero and attempt to solve:

Simplifying
2 + -3b = 0

Solving
2 + -3b = 0

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

Add '-2' to each side of the equation.
2 + -2 + -3b = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -3b = 0 + -2
-3b = 0 + -2

Combine like terms: 0 + -2 = -2
-3b = -2

Divide each side by '-3'.
b = 0.6666666667

Simplifying
b = 0.6666666667
Solution
b = {-0.5, 0.6666666667}