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(12n-8)(25n-10)=2n-93
We move all terms to the left:
(12n-8)(25n-10)-(2n-93)=0
We get rid of parentheses
(12n-8)(25n-10)-2n+93=0
We multiply parentheses ..
(+300n^2-120n-200n+80)-2n+93=0
We get rid of parentheses
300n^2-120n-200n-2n+80+93=0
We add all the numbers together, and all the variables
300n^2-322n+173=0
a = 300; b = -322; c = +173;
Δ = b2-4ac
Δ = -3222-4·300·173
Δ = -103916
Delta is less than zero, so there is no solution for the equation
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