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-2k(4k-3)=30
We move all terms to the left:
-2k(4k-3)-(30)=0
We multiply parentheses
-8k^2+6k-30=0
a = -8; b = 6; c = -30;
Δ = b2-4ac
Δ = 62-4·(-8)·(-30)
Δ = -924
Delta is less than zero, so there is no solution for the equation
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