(9+i)(5-3i)=

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Solution for (9+i)(5-3i)= equation:


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

Multiply (9 + i) * (5 + -3i)
(9(5 + -3i) + i(5 + -3i)) = 0
((5 * 9 + -3i * 9) + i(5 + -3i)) = 0
((45 + -27i) + i(5 + -3i)) = 0
(45 + -27i + (5 * i + -3i * i)) = 0
(45 + -27i + (5i + -3i2)) = 0

Combine like terms: -27i + 5i = -22i
(45 + -22i + -3i2) = 0

Solving
45 + -22i + -3i2 = 0

Solving for variable 'i'.

Factor a trinomial.
(5 + -3i)(9 + i) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(9 + i)' equal to zero and attempt to solve: Simplifying 9 + i = 0 Solving 9 + i = 0 Move all terms containing i to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + i = 0 + -9 Combine like terms: 9 + -9 = 0 0 + i = 0 + -9 i = 0 + -9 Combine like terms: 0 + -9 = -9 i = -9 Simplifying i = -9

Solution

i = {1.666666667, -9}

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