F(x)=-7x^2+4x-2

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Solution for F(x)=-7x^2+4x-2 equation: 



(F)=-7F^2+4F-2

We move all terms to the left:

(F)-(-7F^2+4F-2)=0

We get rid of parentheses

7F^2-4F+F+2=0

We add all the numbers together, and all the variables

7F^2-3F+2=0

a = 7; b = -3; c = +2;
Δ = b2-4ac
Δ = -32-4·7·2
Δ = -47
Delta is less than zero, so there is no solution for the equation

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