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x^2+x+4/9=0
We multiply all the terms by the denominator
x^2*9+x*9+4=0
Wy multiply elements
9x^2+9x+4=0
a = 9; b = 9; c = +4;
Δ = b2-4ac
Δ = 92-4·9·4
Δ = -63
Delta is less than zero, so there is no solution for the equation
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