1j^2+6j+8=0

Solution for 1j^2+6j+8=0 equation:

Simplifying
1j2 + 6j + 8 = 0

Reorder the terms:
8 + 6j + 1j2 = 0

Solving
8 + 6j + 1j2 = 0

Solving for variable 'j'.

Factor a trinomial.
(4 + j)(2 + j) = 0

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

Simplifying
4 + j = 0

Solving
4 + j = 0

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

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

Combine like terms: 4 + -4 = 0
0 + j = 0 + -4
j = 0 + -4

Combine like terms: 0 + -4 = -4
j = -4

Simplifying
j = -4
Subproblem 2
Set the factor '(2 + j)' equal to zero and attempt to solve:

Simplifying
2 + j = 0

Solving
2 + j = 0

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

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

Combine like terms: 2 + -2 = 0
0 + j = 0 + -2
j = 0 + -2

Combine like terms: 0 + -2 = -2
j = -2

Simplifying
j = -2
Solution
j = {-4, -2}