3a^2-8a=-4

Solution for 3a^2-8a=-4 equation:

Simplifying
3a2 + -8a = -4

Reorder the terms:
-8a + 3a2 = -4

Solving
-8a + 3a2 = -4

Solving for variable 'a'.

Reorder the terms:
4 + -8a + 3a2 = -4 + 4

Combine like terms: -4 + 4 = 0
4 + -8a + 3a2 = 0

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

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

Simplifying
2 + -3a = 0

Solving
2 + -3a = 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 + -3a = 0 + -2

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

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

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

Simplifying
a = 0.6666666667
Subproblem 2
Set the factor '(2 + -1a)' equal to zero and attempt to solve:

Simplifying
2 + -1a = 0

Solving
2 + -1a = 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 + -1a = 0 + -2

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

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

Divide each side by '-1'.
a = 2

Simplifying
a = 2
Solution
a = {0.6666666667, 2}