F(5)=-3x^2-2

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Solution for F(5)=-3x^2-2 equation: 



(5)=-3F^2-2

We move all terms to the left:

(5)-(-3F^2-2)=0

We get rid of parentheses

3F^2+2+5=0

We add all the numbers together, and all the variables

3F^2+7=0

a = 3; b = 0; c = +7;
Δ = b2-4ac
Δ = 02-4·3·7
Δ = -84
Delta is less than zero, so there is no solution for the equation

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