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587-758=n^2
We move all terms to the left:
587-758-(n^2)=0
We add all the numbers together, and all the variables
-1n^2-171=0
a = -1; b = 0; c = -171;
Δ = b2-4ac
Δ = 02-4·(-1)·(-171)
Δ = -684
Delta is less than zero, so there is no solution for the equation
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