x^2=-4/81

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Solution for x^2=-4/81 equation: 



x^2=-4/81

We move all terms to the left:

x^2-(-4/81)=0

We get rid of parentheses

x^2+4/81=0

We multiply all the terms by the denominator


x^2*81+4=0

Wy multiply elements

81x^2+4=0

a = 81; b = 0; c = +4;
Δ = b2-4ac
Δ = 02-4·81·4
Δ = -1296
Delta is less than zero, so there is no solution for the equation

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