b^2=-8/9 - solution

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Solution for b^2=-8/9 equation:

b in (-oo:+oo)

b^2 = -8/9 // + -8/9

b^2-(-8/9) = 0

b^2+8/9 = 0

1*b^2 = -8/9 // : 1

b^2 = -8/9

b belongs to the empty set

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