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X^2-16X=-111
We move all terms to the left:
X^2-16X-(-111)=0
We add all the numbers together, and all the variables
X^2-16X+111=0
a = 1; b = -16; c = +111;
Δ = b2-4ac
Δ = -162-4·1·111
Δ = -188
Delta is less than zero, so there is no solution for the equation
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