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b^2=-63
We move all terms to the left:
b^2-(-63)=0
We add all the numbers together, and all the variables
b^2+63=0
a = 1; b = 0; c = +63;
Δ = b2-4ac
Δ = 02-4·1·63
Δ = -252
Delta is less than zero, so there is no solution for the equation
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