p^2-14p/49=0

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Solution for p^2-14p/49=0 equation: 


p in (-oo:+oo)

p^2-((14*p)/49) = 0

p^2+(-2/7)*p = 0

p^2-2/7*p = 0

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

DELTA = 4/49

DELTA > 0

p = ((4/49)^(1/2)+2/7)/(1*2) or p = (2/7-(4/49)^(1/2))/(1*2)

p = 2/7 or p = 0

p in { 0, 2/7 }

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