11r+15=-12r^2

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Solution for 11r+15=-12r^2 equation: 



11r+15=-12r^2

We move all terms to the left:

11r+15-(-12r^2)=0

We get rid of parentheses

12r^2+11r+15=0

a = 12; b = 11; c = +15;
Δ = b2-4ac
Δ = 112-4·12·15
Δ = -599
Delta is less than zero, so there is no solution for the equation

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