A-2B=o2

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Solution for A-2B=o2 equation: 



-2=A2

We move all terms to the left:

-2-(A2)=0

We add all the numbers together, and all the variables

-1A^2-2=0

a = -1; b = 0; c = -2;
Δ = b2-4ac
Δ = 02-4·(-1)·(-2)
Δ = -8
Delta is less than zero, so there is no solution for the equation

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