-1/5b2/5=-2

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Solution for -1/5b2/5=-2 equation: 


b in (-oo:+oo)

((-1/5)*b^2)/5 = -2 // + 2

((-1/5)*b^2)/5+2 = 0

-1/25*b^2 = -2 // : -1/25

b^2 = 50

b^2 = 50 // ^ 1/2

abs(b) = 5*2^(1/2)

b = 5*2^(1/2) or b = -(5*2^(1/2))

b in { 5*2^(1/2), -(5*2^(1/2)) }

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