8z^2=11z+-3

Solution for 8z^2=11z+-3 equation:

Simplifying
8z2 = 11z + -3

Reorder the terms:
8z2 = -3 + 11z

Solving
8z2 = -3 + 11z

Solving for variable 'z'.

Reorder the terms:
3 + -11z + 8z2 = -3 + 11z + 3 + -11z

Reorder the terms:
3 + -11z + 8z2 = -3 + 3 + 11z + -11z

Combine like terms: -3 + 3 = 0
3 + -11z + 8z2 = 0 + 11z + -11z
3 + -11z + 8z2 = 11z + -11z

Combine like terms: 11z + -11z = 0
3 + -11z + 8z2 = 0

Factor a trinomial.
(3 + -8z)(1 + -1z) = 0

Subproblem 1
Set the factor '(3 + -8z)' equal to zero and attempt to solve:

Simplifying
3 + -8z = 0

Solving
3 + -8z = 0

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

Add '-3' to each side of the equation.
3 + -3 + -8z = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -8z = 0 + -3
-8z = 0 + -3

Combine like terms: 0 + -3 = -3
-8z = -3

Divide each side by '-8'.
z = 0.375

Simplifying
z = 0.375
Subproblem 2
Set the factor '(1 + -1z)' equal to zero and attempt to solve:

Simplifying
1 + -1z = 0

Solving
1 + -1z = 0

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

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

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

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

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

Simplifying
z = 1
Solution
z = {0.375, 1}