3j^2+8j+5=0

Solution for 3j^2+8j+5=0 equation:

Simplifying
3j2 + 8j + 5 = 0

Reorder the terms:
5 + 8j + 3j2 = 0

Solving
5 + 8j + 3j2 = 0

Solving for variable 'j'.

Factor a trinomial.
(5 + 3j)(1 + j) = 0

Subproblem 1
Set the factor '(5 + 3j)' equal to zero and attempt to solve:

Simplifying
5 + 3j = 0

Solving
5 + 3j = 0

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

Add '-5' to each side of the equation.
5 + -5 + 3j = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 3j = 0 + -5
3j = 0 + -5

Combine like terms: 0 + -5 = -5
3j = -5

Divide each side by '3'.
j = -1.666666667

Simplifying
j = -1.666666667
Subproblem 2
Set the factor '(1 + j)' equal to zero and attempt to solve:

Simplifying
1 + j = 0

Solving
1 + j = 0

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

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

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

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

Simplifying
j = -1
Solution
j = {-1.666666667, -1}