(3j-5)(4j-3)=

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Solution for (3j-5)(4j-3)= equation:


Simplifying
(3j + -5)(4j + -3) = 0

Reorder the terms:
(-5 + 3j)(4j + -3) = 0

Reorder the terms:
(-5 + 3j)(-3 + 4j) = 0

Multiply (-5 + 3j) * (-3 + 4j)
(-5(-3 + 4j) + 3j * (-3 + 4j)) = 0
((-3 * -5 + 4j * -5) + 3j * (-3 + 4j)) = 0
((15 + -20j) + 3j * (-3 + 4j)) = 0
(15 + -20j + (-3 * 3j + 4j * 3j)) = 0
(15 + -20j + (-9j + 12j2)) = 0

Combine like terms: -20j + -9j = -29j
(15 + -29j + 12j2) = 0

Solving
15 + -29j + 12j2 = 0

Solving for variable 'j'.

Factor a trinomial.
(3 + -4j)(5 + -3j) = 0

Subproblem 1

Set the factor '(3 + -4j)' equal to zero and attempt to solve: Simplifying 3 + -4j = 0 Solving 3 + -4j = 0 Move all terms containing j to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -4j = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4j = 0 + -3 -4j = 0 + -3 Combine like terms: 0 + -3 = -3 -4j = -3 Divide each side by '-4'. j = 0.75 Simplifying j = 0.75

Subproblem 2

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

Solution

j = {0.75, 1.666666667}

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