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9x^2=54x-83
We move all terms to the left:
9x^2-(54x-83)=0
We get rid of parentheses
9x^2-54x+83=0
a = 9; b = -54; c = +83;
Δ = b2-4ac
Δ = -542-4·9·83
Δ = -72
Delta is less than zero, so there is no solution for the equation
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