(8i)(-8i)=64

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Solution for (8i)(-8i)=64 equation: 



(8i)(-8i)=64

We move all terms to the left:

(8i)(-8i)-(64)=0

We multiply parentheses

-64i^2-64=0

a = -64; b = 0; c = -64;
Δ = b2-4ac
Δ = 02-4·(-64)·(-64)
Δ = -16384
Delta is less than zero, so there is no solution for the equation

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