3a^2-8a-60=0

Solution for 3a^2-8a-60=0 equation:

Simplifying
3a2 + -8a + -60 = 0

Reorder the terms:
-60 + -8a + 3a2 = 0

Solving
-60 + -8a + 3a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-10 + -3a)(6 + -1a) = 0

Subproblem 1
Set the factor '(-10 + -3a)' equal to zero and attempt to solve:

Simplifying
-10 + -3a = 0

Solving
-10 + -3a = 0

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

Add '10' to each side of the equation.
-10 + 10 + -3a = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -3a = 0 + 10
-3a = 0 + 10

Combine like terms: 0 + 10 = 10
-3a = 10

Divide each side by '-3'.
a = -3.333333333

Simplifying
a = -3.333333333
Subproblem 2
Set the factor '(6 + -1a)' equal to zero and attempt to solve:

Simplifying
6 + -1a = 0

Solving
6 + -1a = 0

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

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

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

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

Divide each side by '-1'.
a = 6

Simplifying
a = 6
Solution
a = {-3.333333333, 6}