7v/8-8v2

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Solution for 7v/8-8v2 equation: 


v in (-oo:+oo)

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

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

7/8*v-8*v^2 = 0

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

DELTA = 49/64

DELTA > 0

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

v = 0 or v = 7/64

v in { 0, 7/64 }

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