r^2=-10-6r

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Solution for r^2=-10-6r equation: 



r^2=-10-6r

We move all terms to the left:

r^2-(-10-6r)=0

We add all the numbers together, and all the variables

r^2-(-6r-10)=0

We get rid of parentheses

r^2+6r+10=0

a = 1; b = 6; c = +10;
Δ = b2-4ac
Δ = 62-4·1·10
Δ = -4
Delta is less than zero, so there is no solution for the equation

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