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n^2+17n+88=7
We move all terms to the left:
n^2+17n+88-(7)=0
We add all the numbers together, and all the variables
n^2+17n+81=0
a = 1; b = 17; c = +81;
Δ = b2-4ac
Δ = 172-4·1·81
Δ = -35
Delta is less than zero, so there is no solution for the equation
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