Calculation: ZxGsKI - 1

x =

(-b-saknis(

D))

/ 2

x =

(-b-saknis(

D))

/ 2

x

=

\frac{-b-\sqrt {D}}{2}

x = -

b

/ 2

-

saknis(

D)

/ 2

x

=

-\frac{b}{2}-\frac{\sqrt {D}}{2}

x = - 0.5* b- 0.5* saknis(

D)

x

=

-0.5\cdot b-0.5\cdot \sqrt {D}