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(F)=25F^2+125
We move all terms to the left:
(F)-(25F^2+125)=0
We get rid of parentheses
-25F^2+F-125=0
a = -25; b = 1; c = -125;
Δ = b2-4ac
Δ = 12-4·(-25)·(-125)
Δ = -12499
Delta is less than zero, so there is no solution for the equation
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