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2i(-i)=2
We move all terms to the left:
2i(-i)-(2)=0
We add all the numbers together, and all the variables
2i(-1i)-2=0
We multiply parentheses
-2i^2-2=0
a = -2; b = 0; c = -2;
Δ = b2-4ac
Δ = 02-4·(-2)·(-2)
Δ = -16
Delta is less than zero, so there is no solution for the equation
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