63x2-7/9x-3

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Solution for 63x2-7/9x-3 equation: 


x in (-oo:+oo)

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

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

63*x^2-7/9*x-3 = 0

DELTA = (-7/9)^2-(-3*4*63)

DELTA = 61285/81

DELTA > 0

x = ((61285/81)^(1/2)+7/9)/(2*63) or x = (7/9-(61285/81)^(1/2))/(2*63)

x = ((61285/81)^(1/2)+7/9)/126 or x = (7/9-(61285/81)^(1/2))/126

x in { (7/9-(61285/81)^(1/2))/126, ((61285/81)^(1/2)+7/9)/126 }

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