F(-5)=6x^2-2x-1

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Solution for F(-5)=6x^2-2x-1 equation: 



(-5)=6F^2-2F-1

We move all terms to the left:

(-5)-(6F^2-2F-1)=0

We add all the numbers together, and all the variables

-(6F^2-2F-1)-5=0

We get rid of parentheses

-6F^2+2F+1-5=0

We add all the numbers together, and all the variables

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

a = -6; b = 2; c = -4;
Δ = b2-4ac
Δ = 22-4·(-6)·(-4)
Δ = -92
Delta is less than zero, so there is no solution for the equation

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