F(x)=10+7x+5x^2

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Solution for F(x)=10+7x+5x^2 equation: 



(F)=10+7F+5F^2

We move all terms to the left:

(F)-(10+7F+5F^2)=0

We get rid of parentheses

-5F^2-7F+F-10=0

We add all the numbers together, and all the variables

-5F^2-6F-10=0

a = -5; b = -6; c = -10;
Δ = b2-4ac
Δ = -62-4·(-5)·(-10)
Δ = -164
Delta is less than zero, so there is no solution for the equation

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