b2-3=-18

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Solution for b2-3=-18 equation: 



b2-3=-18

We move all terms to the left:

b2-3-(-18)=0

We add all the numbers together, and all the variables

b^2+15=0

a = 1; b = 0; c = +15;
Δ = b2-4ac
Δ = 02-4·1·15
Δ = -60
Delta is less than zero, so there is no solution for the equation

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