k= -108,71
d= -2
k²d+2kd=kd(k+2)
-108,71*(-2)*(-108,71+2)=217,42*(-106,71)=23200,8882
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k= -108,71
d= -2
k²d+2kd=kd(k+2)
-108,71*(-2)*(-108,71+2)=217,42*(-106,71)=23200,8882