11r+11=-9r^2

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Solution for 11r+11=-9r^2 equation: 



11r+11=-9r^2

We move all terms to the left:

11r+11-(-9r^2)=0

We get rid of parentheses

9r^2+11r+11=0

a = 9; b = 11; c = +11;
Δ = b2-4ac
Δ = 112-4·9·11
Δ = -275
Delta is less than zero, so there is no solution for the equation

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