Y-20=x^2-8x

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Solution for Y-20=x^2-8x equation: 



-20=Y^2-8Y

We move all terms to the left:

-20-(Y^2-8Y)=0

We get rid of parentheses

-Y^2+8Y-20=0

We add all the numbers together, and all the variables

-1Y^2+8Y-20=0

a = -1; b = 8; c = -20;
Δ = b2-4ac
Δ = 82-4·(-1)·(-20)
Δ = -16
Delta is less than zero, so there is no solution for the equation

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