-81=36x^2

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Solution for -81=36x^2 equation: 



-81=36x^2

We move all terms to the left:

-81-(36x^2)=0

a = -36; b = 0; c = -81;
Δ = b2-4ac
Δ = 02-4·(-36)·(-81)
Δ = -11664
Delta is less than zero, so there is no solution for the equation

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