10x/8=-4x/2x

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Solution for 10x/8=-4x/2x equation: 


x in (-oo:+oo)

(10*x)/8 = ((-4*x)/2)*x // - ((-4*x)/2)*x

(10*x)/8-(((-4*x)/2)*x) = 0

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

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

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

DELTA = 25/16

DELTA > 0

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

x = 0 or x = -5/8

x in { -5/8, 0 }

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