7z^2-13z+6=0

Solution for 7z^2-13z+6=0 equation:

Simplifying
7z2 + -13z + 6 = 0

Reorder the terms:
6 + -13z + 7z2 = 0

Solving
6 + -13z + 7z2 = 0

Solving for variable 'z'.

Factor a trinomial.
(6 + -7z)(1 + -1z) = 0

Subproblem 1
Set the factor '(6 + -7z)' equal to zero and attempt to solve:

Simplifying
6 + -7z = 0

Solving
6 + -7z = 0

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

Add '-6' to each side of the equation.
6 + -6 + -7z = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -7z = 0 + -6
-7z = 0 + -6

Combine like terms: 0 + -6 = -6
-7z = -6

Divide each side by '-7'.
z = 0.8571428571

Simplifying
z = 0.8571428571
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 = {0.8571428571, 1}