x^2=(7/8)x

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Solution for x^2=(7/8)x equation: 


x in (-oo:+oo)

x^2 = (7/8)*x // - (7/8)*x

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

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

x^2-7/8*x = 0

DELTA = (-7/8)^2-(0*1*4)

DELTA = 49/64

DELTA > 0

x = ((49/64)^(1/2)+7/8)/(1*2) or x = (7/8-(49/64)^(1/2))/(1*2)

x = 7/8 or x = 0

x in { 0, 7/8 }

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