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X-X(20/100)=250
We move all terms to the left:
X-X(20/100)-(250)=0
We add all the numbers together, and all the variables
X-X(+20/100)-250=0
We multiply parentheses
-20X^2+X-250=0
a = -20; b = 1; c = -250;
Δ = b2-4ac
Δ = 12-4·(-20)·(-250)
Δ = -19999
Delta is less than zero, so there is no solution for the equation
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