F(-1)=9x^2+6x+3

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Solution for F(-1)=9x^2+6x+3 equation: 



(-1)=9F^2+6F+3

We move all terms to the left:

(-1)-(9F^2+6F+3)=0

We add all the numbers together, and all the variables

-(9F^2+6F+3)-1=0

We get rid of parentheses

-9F^2-6F-3-1=0

We add all the numbers together, and all the variables

-9F^2-6F-4=0

a = -9; b = -6; c = -4;
Δ = b2-4ac
Δ = -62-4·(-9)·(-4)
Δ = -108
Delta is less than zero, so there is no solution for the equation

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