F(x)=7x2-5x+9

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Solution for F(x)=7x2-5x+9 equation: 



(F)=7F^2-5F+9

We move all terms to the left:

(F)-(7F^2-5F+9)=0

We get rid of parentheses

-7F^2+F+5F-9=0

We add all the numbers together, and all the variables

-7F^2+6F-9=0

a = -7; b = 6; c = -9;
Δ = b2-4ac
Δ = 62-4·(-7)·(-9)
Δ = -216
Delta is less than zero, so there is no solution for the equation

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