10x^2-85x/9=5

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Solution for 10x^2-85x/9=5 equation: 


x in (-oo:+oo)

10*x^2-((85*x)/9) = 5 // - 5

10*x^2-((85*x)/9)-5 = 0

10*x^2+(-85/9)*x-5 = 0

10*x^2-85/9*x-5 = 0

DELTA = (-85/9)^2-(-5*4*10)

DELTA = 23425/81

DELTA > 0

x = ((23425/81)^(1/2)+85/9)/(2*10) or x = (85/9-(23425/81)^(1/2))/(2*10)

x = ((23425/81)^(1/2)+85/9)/20 or x = (85/9-(23425/81)^(1/2))/20

x in { (85/9-(23425/81)^(1/2))/20, ((23425/81)^(1/2)+85/9)/20 }

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