9b^2-1/9b^2+6b+1

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Solution for 9b^2-1/9b^2+6b+1 equation: 


b in (-oo:+oo)

9*b^2-((1/9)*b^2)+6*b+1 = 0

9*b^2+(-1/9)*b^2+6*b+1 = 0

80/9*b^2+6*b+1 = 0

DELTA = 6^2-(1*4*80/9)

DELTA = 4/9

DELTA > 0

b = ((4/9)^(1/2)-6)/(2*80/9) or b = (-(4/9)^(1/2)-6)/(2*80/9)

b = -3/10 or b = -3/8

b in { -3/8, -3/10 }

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