3j(j-2)=2(2-j)

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Solution for 3j(j-2)=2(2-j) equation:


Simplifying
3j(j + -2) = 2(2 + -1j)

Reorder the terms:
3j(-2 + j) = 2(2 + -1j)
(-2 * 3j + j * 3j) = 2(2 + -1j)
(-6j + 3j2) = 2(2 + -1j)
-6j + 3j2 = (2 * 2 + -1j * 2)
-6j + 3j2 = (4 + -2j)

Solving
-6j + 3j2 = 4 + -2j

Solving for variable 'j'.

Reorder the terms:
-4 + -6j + 2j + 3j2 = 4 + -2j + -4 + 2j

Combine like terms: -6j + 2j = -4j
-4 + -4j + 3j2 = 4 + -2j + -4 + 2j

Reorder the terms:
-4 + -4j + 3j2 = 4 + -4 + -2j + 2j

Combine like terms: 4 + -4 = 0
-4 + -4j + 3j2 = 0 + -2j + 2j
-4 + -4j + 3j2 = -2j + 2j

Combine like terms: -2j + 2j = 0
-4 + -4j + 3j2 = 0

Factor a trinomial.
(-2 + -3j)(2 + -1j) = 0

Subproblem 1

Set the factor '(-2 + -3j)' equal to zero and attempt to solve: Simplifying -2 + -3j = 0 Solving -2 + -3j = 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 + -3j = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3j = 0 + 2 -3j = 0 + 2 Combine like terms: 0 + 2 = 2 -3j = 2 Divide each side by '-3'. j = -0.6666666667 Simplifying j = -0.6666666667

Subproblem 2

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

Solution

j = {-0.6666666667, 2}

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