(3-5i)(5-3i)=

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Solution for (3-5i)(5-3i)= equation:


Simplifying
(3 + -5i)(5 + -3i) = 0

Multiply (3 + -5i) * (5 + -3i)
(3(5 + -3i) + -5i * (5 + -3i)) = 0
((5 * 3 + -3i * 3) + -5i * (5 + -3i)) = 0
((15 + -9i) + -5i * (5 + -3i)) = 0
(15 + -9i + (5 * -5i + -3i * -5i)) = 0
(15 + -9i + (-25i + 15i2)) = 0

Combine like terms: -9i + -25i = -34i
(15 + -34i + 15i2) = 0

Solving
15 + -34i + 15i2 = 0

Solving for variable 'i'.

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

Subproblem 1

Set the factor '(3 + -5i)' equal to zero and attempt to solve: Simplifying 3 + -5i = 0 Solving 3 + -5i = 0 Move all terms containing i to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -5i = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5i = 0 + -3 -5i = 0 + -3 Combine like terms: 0 + -3 = -3 -5i = -3 Divide each side by '-5'. i = 0.6 Simplifying i = 0.6

Subproblem 2

Set the factor '(5 + -3i)' equal to zero and attempt to solve: Simplifying 5 + -3i = 0 Solving 5 + -3i = 0 Move all terms containing i to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3i = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3i = 0 + -5 -3i = 0 + -5 Combine like terms: 0 + -5 = -5 -3i = -5 Divide each side by '-3'. i = 1.666666667 Simplifying i = 1.666666667

Solution

i = {0.6, 1.666666667}

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