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s=s^2+11s+30
We move all terms to the left:
s-(s^2+11s+30)=0
We get rid of parentheses
-s^2+s-11s-30=0
We add all the numbers together, and all the variables
-1s^2-10s-30=0
a = -1; b = -10; c = -30;
Δ = b2-4ac
Δ = -102-4·(-1)·(-30)
Δ = -20
Delta is less than zero, so there is no solution for the equation
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