x/7x-6-x+2/8x

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Solution for x/7x-6-x+2/8x equation: 


x in (-oo:+oo)

(x/7)*x-x+(2/8)*x-6 = 0

1/7*x^2-3/4*x-6 = 0

DELTA = (-3/4)^2-(-6*1/7*4)

DELTA = 447/112

DELTA > 0

x = ((447/112)^(1/2)+3/4)/(1/7*2) or x = (3/4-(447/112)^(1/2))/(1/7*2)

x = 7/2*((447/112)^(1/2)+3/4) or x = 7/2*(3/4-(447/112)^(1/2))

x in { 7/2*(3/4-(447/112)^(1/2)), 7/2*((447/112)^(1/2)+3/4) }

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