5r2+8=-12r

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Solution for 5r2+8=-12r equation: 



5r^2+8=-12r

We move all terms to the left:

5r^2+8-(-12r)=0

We get rid of parentheses

5r^2+12r+8=0

a = 5; b = 12; c = +8;
Δ = b2-4ac
Δ = 122-4·5·8
Δ = -16
Delta is less than zero, so there is no solution for the equation

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