u^2-11u+28/98-2u^2

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Solution for u^2-11u+28/98-2u^2 equation: 


u in (-oo:+oo)

u^2-(2*u^2)-(11*u)+28/98 = 0

u^2-2*u^2-11*u+28/98 = 0

2/7-u^2-11*u = 0

DELTA = (-11)^2-(-1*2/7*4)

DELTA = 855/7

DELTA > 0

u = ((855/7)^(1/2)+11)/(-1*2) or u = (11-(855/7)^(1/2))/(-1*2)

u = ((855/7)^(1/2)+11)/(-2) or u = (11-(855/7)^(1/2))/(-2)

u in { ((855/7)^(1/2)+11)/(-2), (11-(855/7)^(1/2))/(-2) }

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