6r^2+24=-24r

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Solution for 6r^2+24=-24r equation: 



6r^2+24=-24r

We move all terms to the left:

6r^2+24-(-24r)=0

We get rid of parentheses

6r^2+24r+24=0

a = 6; b = 24; c = +24;
Δ = b2-4ac
Δ = 242-4·6·24
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$r=\frac{-b}{2a}=\frac{-24}{12}=-2$

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