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X+X2=-16
We move all terms to the left:
X+X2-(-16)=0
We add all the numbers together, and all the variables
X^2+X+16=0
a = 1; b = 1; c = +16;
Δ = b2-4ac
Δ = 12-4·1·16
Δ = -63
Delta is less than zero, so there is no solution for the equation
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