80.65+18.18y(0.006991-y)=100-9.76y(1+y)

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Solution for 80.65+18.18y(0.006991-y)=100-9.76y(1+y) equation: 



80.65+18.18y(0.006991-y)=100-9.76y(1+y)

We move all terms to the left:

80.65+18.18y(0.006991-y)-(100-9.76y(1+y))=0

We add all the numbers together, and all the variables

18.18y(-1y+0.006991)-(100-9.76y(y+1))+80.65=0

We multiply parentheses

-18y^2+0.125838y-(100-9.76y(y+1))+80.65=0



We calculate terms in parentheses: -(100-9.76y(y+1)), so:

100-9.76y(y+1)

determiningTheFunctionDomain
-9.76y(y+1)+100

We multiply parentheses

-9y^2-9y+100

Back to the equation:

-(-9y^2-9y+100)



We get rid of parentheses

-18y^2+9y^2+9y+0.125838y-100+80.65=0

We add all the numbers together, and all the variables

-9y^2+9.125838y-19.35=0

a = -9; b = 9.125838; c = -19.35;
Δ = b2-4ac
Δ = 9.1258382-4·(-9)·(-19.35)
Δ = -613.31908079776
Delta is less than zero, so there is no solution for the equation

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