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0=x^2+2x+11
We move all terms to the left:
0-(x^2+2x+11)=0
We add all the numbers together, and all the variables
-(x^2+2x+11)=0
We get rid of parentheses
-x^2-2x-11=0
We add all the numbers together, and all the variables
-1x^2-2x-11=0
a = -1; b = -2; c = -11;
Δ = b2-4ac
Δ = -22-4·(-1)·(-11)
Δ = -40
Delta is less than zero, so there is no solution for the equation
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