2j^2+31j+15=0

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Solution for 2j^2+31j+15=0 equation:


Simplifying
2j2 + 31j + 15 = 0

Reorder the terms:
15 + 31j + 2j2 = 0

Solving
15 + 31j + 2j2 = 0

Solving for variable 'j'.

Factor a trinomial.
(15 + j)(1 + 2j) = 0

Subproblem 1

Set the factor '(15 + j)' equal to zero and attempt to solve: Simplifying 15 + j = 0 Solving 15 + j = 0 Move all terms containing j to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + j = 0 + -15 Combine like terms: 15 + -15 = 0 0 + j = 0 + -15 j = 0 + -15 Combine like terms: 0 + -15 = -15 j = -15 Simplifying j = -15

Subproblem 2

Set the factor '(1 + 2j)' equal to zero and attempt to solve: Simplifying 1 + 2j = 0 Solving 1 + 2j = 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 + 2j = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2j = 0 + -1 2j = 0 + -1 Combine like terms: 0 + -1 = -1 2j = -1 Divide each side by '2'. j = -0.5 Simplifying j = -0.5

Solution

j = {-15, -0.5}

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