r(1-r)=1

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Solution for r(1-r)=1 equation: 



r(1-r)=1

We move all terms to the left:

r(1-r)-(1)=0

We add all the numbers together, and all the variables

r(-1r+1)-1=0

We multiply parentheses

-1r^2+r-1=0

a = -1; b = 1; c = -1;
Δ = b2-4ac
Δ = 12-4·(-1)·(-1)
Δ = -3
Delta is less than zero, so there is no solution for the equation

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