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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-5F^2+3F-4=0

a = -5; b = 3; c = -4;
Δ = b2-4ac
Δ = 32-4·(-5)·(-4)
Δ = -71
Delta is less than zero, so there is no solution for the equation

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