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

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


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

Multiply (8 + 3i) * (8 + -3i)
(8(8 + -3i) + 3i * (8 + -3i)) = 0
((8 * 8 + -3i * 8) + 3i * (8 + -3i)) = 0
((64 + -24i) + 3i * (8 + -3i)) = 0
(64 + -24i + (8 * 3i + -3i * 3i)) = 0
(64 + -24i + (24i + -9i2)) = 0

Combine like terms: -24i + 24i = 0
(64 + 0 + -9i2) = 0
(64 + -9i2) = 0

Solving
64 + -9i2 = 0

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '-64' to each side of the equation.
64 + -64 + -9i2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -9i2 = 0 + -64
-9i2 = 0 + -64

Combine like terms: 0 + -64 = -64
-9i2 = -64

Divide each side by '-9'.
i2 = 7.111111111

Simplifying
i2 = 7.111111111

Take the square root of each side:
i = {-2.666666667, 2.666666667}

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