10/8x-9/1x2/-7

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Solution for 10/8x-9/1x2/-7 equation: 


x in (-oo:+oo)

(10/8)*x-(((9/1)*x^2)/(-7)) = 0

(9/7)*x^2+(10/8)*x = 0

9/7*x^2+5/4*x = 0

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

DELTA = 25/16

DELTA > 0

x = ((25/16)^(1/2)-5/4)/(9/7*2) or x = (-(25/16)^(1/2)-5/4)/(9/7*2)

x = 0 or x = -35/36

x in { -35/36, 0 }

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