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10n^2=-12n-8
We move all terms to the left:
10n^2-(-12n-8)=0
We get rid of parentheses
10n^2+12n+8=0
a = 10; b = 12; c = +8;
Δ = b2-4ac
Δ = 122-4·10·8
Δ = -176
Delta is less than zero, so there is no solution for the equation
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