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(F)=8F^2+10F+4
We move all terms to the left:
(F)-(8F^2+10F+4)=0
We get rid of parentheses
-8F^2+F-10F-4=0
We add all the numbers together, and all the variables
-8F^2-9F-4=0
a = -8; b = -9; c = -4;
Δ = b2-4ac
Δ = -92-4·(-8)·(-4)
Δ = -47
Delta is less than zero, so there is no solution for the equation
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