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8k^2+5k+6=4
We move all terms to the left:
8k^2+5k+6-(4)=0
We add all the numbers together, and all the variables
8k^2+5k+2=0
a = 8; b = 5; c = +2;
Δ = b2-4ac
Δ = 52-4·8·2
Δ = -39
Delta is less than zero, so there is no solution for the equation
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