X(8-x)=80

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Solution for X(8-x)=80 equation: 



X(8-X)=80

We move all terms to the left:

X(8-X)-(80)=0

We add all the numbers together, and all the variables

X(-1X+8)-80=0

We multiply parentheses

-1X^2+8X-80=0

a = -1; b = 8; c = -80;
Δ = b2-4ac
Δ = 82-4·(-1)·(-80)
Δ = -256
Delta is less than zero, so there is no solution for the equation

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