(-2/3)x^2+9x+1=0

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Solution for (-2/3)x^2+9x+1=0 equation: 


x in (-oo:+oo)

(-2/3)*x^2+9*x+1 = 0

9*x-2/3*x^2+1 = 0

DELTA = 9^2-(-2/3*1*4)

DELTA = 251/3

DELTA > 0

x = ((251/3)^(1/2)-9)/(-2/3*2) or x = (-(251/3)^(1/2)-9)/(-2/3*2)

x = -3/4*((251/3)^(1/2)-9) or x = 3/4*((251/3)^(1/2)+9)

x in { -3/4*((251/3)^(1/2)-9), 3/4*((251/3)^(1/2)+9) }

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