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67.11+23.81y(0.003317-y)=100-18.87y(1+y)
We move all terms to the left:
67.11+23.81y(0.003317-y)-(100-18.87y(1+y))=0
We add all the numbers together, and all the variables
23.81y(-1y+0.003317)-(100-18.87y(y+1))+67.11=0
We multiply parentheses
-23y^2+0.076291y-(100-18.87y(y+1))+67.11=0
We calculate terms in parentheses: -(100-18.87y(y+1)), so:We get rid of parentheses
100-18.87y(y+1)
determiningTheFunctionDomain -18.87y(y+1)+100
We multiply parentheses
-18y^2-18y+100
Back to the equation:
-(-18y^2-18y+100)
-23y^2+18y^2+18y+0.076291y-100+67.11=0
We add all the numbers together, and all the variables
-5y^2+18.076291y-32.89=0
a = -5; b = 18.076291; c = -32.89;
Δ = b2-4ac
Δ = 18.0762912-4·(-5)·(-32.89)
Δ = -331.04770368332
Delta is less than zero, so there is no solution for the equation
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