F(-2)=4x^2+-2+5

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Solution for F(-2)=4x^2+-2+5 equation: 



(-2)=4F^2+-2+5

We move all terms to the left:

(-2)-(4F^2+-2+5)=0

We add all the numbers together, and all the variables

-(4F^2+-2+5)-2=0

We use the square of the difference formula

-(4F^2-2+5)-2=0

We get rid of parentheses

-4F^2+2-5-2=0

We add all the numbers together, and all the variables

-4F^2-5=0

a = -4; b = 0; c = -5;
Δ = b2-4ac
Δ = 02-4·(-4)·(-5)
Δ = -80
Delta is less than zero, so there is no solution for the equation

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