8k^2-42k+27=0

Solution for 8k^2-42k+27=0 equation:

Simplifying
8k2 + -42k + 27 = 0

Reorder the terms:
27 + -42k + 8k2 = 0

Solving
27 + -42k + 8k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(3 + -4k)(9 + -2k) = 0

Subproblem 1
Set the factor '(3 + -4k)' equal to zero and attempt to solve:

Simplifying
3 + -4k = 0

Solving
3 + -4k = 0

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

Add '-3' to each side of the equation.
3 + -3 + -4k = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -4k = 0 + -3
-4k = 0 + -3

Combine like terms: 0 + -3 = -3
-4k = -3

Divide each side by '-4'.
k = 0.75

Simplifying
k = 0.75
Subproblem 2
Set the factor '(9 + -2k)' equal to zero and attempt to solve:

Simplifying
9 + -2k = 0

Solving
9 + -2k = 0

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

Add '-9' to each side of the equation.
9 + -9 + -2k = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -2k = 0 + -9
-2k = 0 + -9

Combine like terms: 0 + -9 = -9
-2k = -9

Divide each side by '-2'.
k = 4.5

Simplifying
k = 4.5
Solution
k = {0.75, 4.5}