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68.97+22.47y(0.004388-y)=100-14.71y(1+y)
We move all terms to the left:
68.97+22.47y(0.004388-y)-(100-14.71y(1+y))=0
We add all the numbers together, and all the variables
22.47y(-1y+0.004388)-(100-14.71y(y+1))+68.97=0
We multiply parentheses
-22y^2+0.096536y-(100-14.71y(y+1))+68.97=0
We calculate terms in parentheses: -(100-14.71y(y+1)), so:We get rid of parentheses
100-14.71y(y+1)
determiningTheFunctionDomain -14.71y(y+1)+100
We multiply parentheses
-14y^2-14y+100
Back to the equation:
-(-14y^2-14y+100)
-22y^2+14y^2+14y+0.096536y-100+68.97=0
We add all the numbers together, and all the variables
-8y^2+14.096536y-31.03=0
a = -8; b = 14.096536; c = -31.03;
Δ = b2-4ac
Δ = 14.0965362-4·(-8)·(-31.03)
Δ = -794.2476728007
Delta is less than zero, so there is no solution for the equation
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