30a^2-7a-2=

Solution for 30a^2-7a-2= equation:

Simplifying
30a2 + -7a + -2 = 0

Reorder the terms:
-2 + -7a + 30a2 = 0

Solving
-2 + -7a + 30a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-1 + -6a)(2 + -5a) = 0

Subproblem 1
Set the factor '(-1 + -6a)' equal to zero and attempt to solve:

Simplifying
-1 + -6a = 0

Solving
-1 + -6a = 0

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

Add '1' to each side of the equation.
-1 + 1 + -6a = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -6a = 0 + 1
-6a = 0 + 1

Combine like terms: 0 + 1 = 1
-6a = 1

Divide each side by '-6'.
a = -0.1666666667

Simplifying
a = -0.1666666667
Subproblem 2
Set the factor '(2 + -5a)' equal to zero and attempt to solve:

Simplifying
2 + -5a = 0

Solving
2 + -5a = 0

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

Add '-2' to each side of the equation.
2 + -2 + -5a = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -5a = 0 + -2
-5a = 0 + -2

Combine like terms: 0 + -2 = -2
-5a = -2

Divide each side by '-5'.
a = 0.4

Simplifying
a = 0.4
Solution
a = {-0.1666666667, 0.4}