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

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



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

We move all terms to the left:

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

3F^2+F+7=0

a = 3; b = 1; c = +7;
Δ = b2-4ac
Δ = 12-4·3·7
Δ = -83
Delta is less than zero, so there is no solution for the equation

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