11a^2-32a+17=20

Solution for 11a^2-32a+17=20 equation:

Simplifying
11a2 + -32a + 17 = 20

Reorder the terms:
17 + -32a + 11a2 = 20

Solving
17 + -32a + 11a2 = 20

Solving for variable 'a'.

Reorder the terms:
17 + -20 + -32a + 11a2 = 20 + -20

Combine like terms: 17 + -20 = -3
-3 + -32a + 11a2 = 20 + -20

Combine like terms: 20 + -20 = 0
-3 + -32a + 11a2 = 0

Factor a trinomial.
(-1 + -11a)(3 + -1a) = 0

Subproblem 1
Set the factor '(-1 + -11a)' equal to zero and attempt to solve:

Simplifying
-1 + -11a = 0

Solving
-1 + -11a = 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 + -11a = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -11a = 0 + 1
-11a = 0 + 1

Combine like terms: 0 + 1 = 1
-11a = 1

Divide each side by '-11'.
a = -0.09090909091

Simplifying
a = -0.09090909091
Subproblem 2
Set the factor '(3 + -1a)' equal to zero and attempt to solve:

Simplifying
3 + -1a = 0

Solving
3 + -1a = 0

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

Add '-3' to each side of the equation.
3 + -3 + -1a = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1a = 0 + -3
-1a = 0 + -3

Combine like terms: 0 + -3 = -3
-1a = -3

Divide each side by '-1'.
a = 3

Simplifying
a = 3
Solution
a = {-0.09090909091, 3}