(3+8i)(8+i)=

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Solution for (3+8i)(8+i)= equation:


Simplifying
(3 + 8i)(8 + i) = 0

Multiply (3 + 8i) * (8 + i)
(3(8 + i) + 8i * (8 + i)) = 0
((8 * 3 + i * 3) + 8i * (8 + i)) = 0
((24 + 3i) + 8i * (8 + i)) = 0
(24 + 3i + (8 * 8i + i * 8i)) = 0
(24 + 3i + (64i + 8i2)) = 0

Combine like terms: 3i + 64i = 67i
(24 + 67i + 8i2) = 0

Solving
24 + 67i + 8i2 = 0

Solving for variable 'i'.

Factor a trinomial.
(8 + i)(3 + 8i) = 0

Subproblem 1

Set the factor '(8 + i)' equal to zero and attempt to solve: Simplifying 8 + i = 0 Solving 8 + i = 0 Move all terms containing i to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + i = 0 + -8 Combine like terms: 8 + -8 = 0 0 + i = 0 + -8 i = 0 + -8 Combine like terms: 0 + -8 = -8 i = -8 Simplifying i = -8

Subproblem 2

Set the factor '(3 + 8i)' equal to zero and attempt to solve: Simplifying 3 + 8i = 0 Solving 3 + 8i = 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 + 8i = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 8i = 0 + -3 8i = 0 + -3 Combine like terms: 0 + -3 = -3 8i = -3 Divide each side by '8'. i = -0.375 Simplifying i = -0.375

Solution

i = {-8, -0.375}

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