H(x)=x2-3x+5

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Solution for H(x)=x2-3x+5 equation: 



(H)=H2-3H+5

We move all terms to the left:

(H)-(H2-3H+5)=0

We add all the numbers together, and all the variables

-(+H^2-3H+5)+H=0

We get rid of parentheses

-H^2+3H+H-5=0

We add all the numbers together, and all the variables

-1H^2+4H-5=0

a = -1; b = 4; c = -5;
Δ = b2-4ac
Δ = 42-4·(-1)·(-5)
Δ = -4
Delta is less than zero, so there is no solution for the equation

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