F(x)=10x-x^2-25

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Solution for F(x)=10x-x^2-25 equation: 



(F)=10F-F^2-25

We move all terms to the left:

(F)-(10F-F^2-25)=0

We get rid of parentheses

F^2-10F+F+25=0

We add all the numbers together, and all the variables

F^2-9F+25=0

a = 1; b = -9; c = +25;
Δ = b2-4ac
Δ = -92-4·1·25
Δ = -19
Delta is less than zero, so there is no solution for the equation

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