5z^2+2z+1/5

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Solution for 5z^2+2z+1/5 equation: 


z in (-oo:+oo)

5*z^2+2*z+1/5 = 0

5*z^2+2*z+1/5 = 0

DELTA = 2^2-(1/5*4*5)

DELTA = 0

z = -2/(2*5)

z = -1/5 or z = -1/5

z in { -1/5, -1/5 }

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