8j(j-1)=5(1-j)

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Solution for 8j(j-1)=5(1-j) equation:


Simplifying
8j(j + -1) = 5(1 + -1j)

Reorder the terms:
8j(-1 + j) = 5(1 + -1j)
(-1 * 8j + j * 8j) = 5(1 + -1j)
(-8j + 8j2) = 5(1 + -1j)
-8j + 8j2 = (1 * 5 + -1j * 5)
-8j + 8j2 = (5 + -5j)

Solving
-8j + 8j2 = 5 + -5j

Solving for variable 'j'.

Reorder the terms:
-5 + -8j + 5j + 8j2 = 5 + -5j + -5 + 5j

Combine like terms: -8j + 5j = -3j
-5 + -3j + 8j2 = 5 + -5j + -5 + 5j

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

Combine like terms: 5 + -5 = 0
-5 + -3j + 8j2 = 0 + -5j + 5j
-5 + -3j + 8j2 = -5j + 5j

Combine like terms: -5j + 5j = 0
-5 + -3j + 8j2 = 0

Factor a trinomial.
(-5 + -8j)(1 + -1j) = 0

Subproblem 1

Set the factor '(-5 + -8j)' equal to zero and attempt to solve: Simplifying -5 + -8j = 0 Solving -5 + -8j = 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 + -8j = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -8j = 0 + 5 -8j = 0 + 5 Combine like terms: 0 + 5 = 5 -8j = 5 Divide each side by '-8'. j = -0.625 Simplifying j = -0.625

Subproblem 2

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

Solution

j = {-0.625, 1}

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