(6+3i)*(5+2i)=

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Solution for (6+3i)*(5+2i)= equation:


Simplifying
(6 + 3i)(5 + 2i) = 0

Multiply (6 + 3i) * (5 + 2i)
(6(5 + 2i) + 3i * (5 + 2i)) = 0
((5 * 6 + 2i * 6) + 3i * (5 + 2i)) = 0
((30 + 12i) + 3i * (5 + 2i)) = 0
(30 + 12i + (5 * 3i + 2i * 3i)) = 0
(30 + 12i + (15i + 6i2)) = 0

Combine like terms: 12i + 15i = 27i
(30 + 27i + 6i2) = 0

Solving
30 + 27i + 6i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '3'.
3(10 + 9i + 2i2) = 0

Factor a trinomial.
3((5 + 2i)(2 + i)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(5 + 2i)' equal to zero and attempt to solve: Simplifying 5 + 2i = 0 Solving 5 + 2i = 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 + 2i = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2i = 0 + -5 2i = 0 + -5 Combine like terms: 0 + -5 = -5 2i = -5 Divide each side by '2'. i = -2.5 Simplifying i = -2.5

Subproblem 2

Set the factor '(2 + i)' equal to zero and attempt to solve: Simplifying 2 + i = 0 Solving 2 + i = 0 Move all terms containing i to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + i = 0 + -2 Combine like terms: 2 + -2 = 0 0 + i = 0 + -2 i = 0 + -2 Combine like terms: 0 + -2 = -2 i = -2 Simplifying i = -2

Solution

i = {-2.5, -2}

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