7/5x^2-7/9x-4/3x

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Solution for 7/5x^2-7/9x-4/3x equation: 


x in (-oo:+oo)

(7/5)*x^2-((7/9)*x)-((4/3)*x) = 0

(7/5)*x^2+(-7/9)*x+(-4/3)*x = 0

7/5*x^2-19/9*x = 0

DELTA = (-19/9)^2-(0*7/5*4)

DELTA = 361/81

DELTA > 0

x = ((361/81)^(1/2)+19/9)/(7/5*2) or x = (19/9-(361/81)^(1/2))/(7/5*2)

x = 95/63 or x = 0

x in { 0, 95/63 }

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