9x^2+81=-18x

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Solution for 9x^2+81=-18x equation: 



9x^2+81=-18x

We move all terms to the left:

9x^2+81-(-18x)=0

We get rid of parentheses

9x^2+18x+81=0

a = 9; b = 18; c = +81;
Δ = b2-4ac
Δ = 182-4·9·81
Δ = -2592
Delta is less than zero, so there is no solution for the equation

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