Y=x2-2x+15

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Solution for Y=x2-2x+15 equation: 



=Y2-2Y+15

We move all terms to the left:

-(Y2-2Y+15)=0

We add all the numbers together, and all the variables

-(+Y^2-2Y+15)=0

We get rid of parentheses

-Y^2+2Y-15=0

We add all the numbers together, and all the variables

-1Y^2+2Y-15=0

a = -1; b = 2; c = -15;
Δ = b2-4ac
Δ = 22-4·(-1)·(-15)
Δ = -56
Delta is less than zero, so there is no solution for the equation

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