x^2-1/8x^2+8x

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Solution for x^2-1/8x^2+8x equation: 


x in (-oo:+oo)

x^2-((1/8)*x^2)+8*x = 0

x^2+(-1/8)*x^2+8*x = 0

7/8*x^2+8*x = 0

DELTA = 8^2-(0*7/8*4)

DELTA = 64

DELTA > 0

x = (64^(1/2)-8)/(7/8*2) or x = (-64^(1/2)-8)/(7/8*2)

x = 0 or x = -64/7

x in { -64/7, 0 }

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