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(200-2y)*y/2=9600
We move all terms to the left:
(200-2y)*y/2-(9600)=0
We add all the numbers together, and all the variables
(-2y+200)*y/2-9600=0
We multiply all the terms by the denominator
(-2y+200)*y-9600*2=0
We add all the numbers together, and all the variables
(-2y+200)*y-19200=0
We multiply parentheses
-2y^2+200y-19200=0
a = -2; b = 200; c = -19200;
Δ = b2-4ac
Δ = 2002-4·(-2)·(-19200)
Δ = -113600
Delta is less than zero, so there is no solution for the equation
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