F(-4)=2x^2+3x-1

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Solution for F(-4)=2x^2+3x-1 equation: 



(-4)=2F^2+3F-1

We move all terms to the left:

(-4)-(2F^2+3F-1)=0

We add all the numbers together, and all the variables

-(2F^2+3F-1)-4=0

We get rid of parentheses

-2F^2-3F+1-4=0

We add all the numbers together, and all the variables

-2F^2-3F-3=0

a = -2; b = -3; c = -3;
Δ = b2-4ac
Δ = -32-4·(-2)·(-3)
Δ = -15
Delta is less than zero, so there is no solution for the equation

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