F(x)=X^2-7x^2-8

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Solution for F(x)=X^2-7x^2-8 equation: 



(F)=F^2-7F^2-8

We move all terms to the left:

(F)-(F^2-7F^2-8)=0

We get rid of parentheses

-F^2+7F^2+F+8=0

We add all the numbers together, and all the variables

6F^2+F+8=0

a = 6; b = 1; c = +8;
Δ = b2-4ac
Δ = 12-4·6·8
Δ = -191
Delta is less than zero, so there is no solution for the equation

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