-13x^2+10x=8/9

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Solution for -13x^2+10x=8/9 equation: 


x in (-oo:+oo)

10*x-13*x^2 = 8/9 // - 8/9

10*x-13*x^2-(8/9) = 0

10*x-13*x^2-8/9 = 0

10*x-13*x^2-8/9 = 0

DELTA = 10^2-(-13*(-8/9)*4)

DELTA = 484/9

DELTA > 0

x = ((484/9)^(1/2)-10)/(-13*2) or x = (-(484/9)^(1/2)-10)/(-13*2)

x = 4/39 or x = 2/3

x in { 4/39, 2/3 }

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