13d^2+20d=-18

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Solution for 13d^2+20d=-18 equation: 



13d^2+20d=-18

We move all terms to the left:

13d^2+20d-(-18)=0

We add all the numbers together, and all the variables

13d^2+20d+18=0

a = 13; b = 20; c = +18;
Δ = b2-4ac
Δ = 202-4·13·18
Δ = -536
Delta is less than zero, so there is no solution for the equation

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