48-78a=-30a^2

Solution for 48-78a=-30a^2 equation:

Simplifying
48 + -78a = -30a2

Solving
48 + -78a = -30a2

Solving for variable 'a'.

Combine like terms: -30a2 + 30a2 = 0
48 + -78a + 30a2 = 0

Factor out the Greatest Common Factor (GCF), '6'.
6(8 + -13a + 5a2) = 0

Factor a trinomial.
6((1 + -1a)(8 + -5a)) = 0

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

Simplifying
1 + -1a = 0

Solving
1 + -1a = 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 + -1a = 0 + -1

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

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

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

Simplifying
a = 1
Subproblem 2
Set the factor '(8 + -5a)' equal to zero and attempt to solve:

Simplifying
8 + -5a = 0

Solving
8 + -5a = 0

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

Add '-8' to each side of the equation.
8 + -8 + -5a = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -5a = 0 + -8
-5a = 0 + -8

Combine like terms: 0 + -8 = -8
-5a = -8

Divide each side by '-5'.
a = 1.6

Simplifying
a = 1.6
Solution
a = {1, 1.6}