x=(7+8i)(7-8i)

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Solution for x=(7+8i)(7-8i) equation:


Simplifying
x = (7 + 8i)(7 + -8i)

Multiply (7 + 8i) * (7 + -8i)
x = (7(7 + -8i) + 8i * (7 + -8i))
x = ((7 * 7 + -8i * 7) + 8i * (7 + -8i))
x = ((49 + -56i) + 8i * (7 + -8i))
x = (49 + -56i + (7 * 8i + -8i * 8i))
x = (49 + -56i + (56i + -64i2))

Combine like terms: -56i + 56i = 0
x = (49 + 0 + -64i2)
x = (49 + -64i2)

Solving
x = 49 + -64i2

Solving for variable 'x'.

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

Simplifying
x = 49 + -64i2

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