((-0,18)-8)⋅((-0,18)+4)-((-0,18)+6)⋅((-0,18)-14)=(-8,18⋅3,82)-(5,82⋅(-14,18))=-31,2476-(-82,5276)=-51,28
(d−8)⋅(d+4)−(d+6)⋅(d−14)=d²+4d-8d-32-d²+14d-6d+64=4d+32
4*(-0.18)+32=32-0.72=31.28
((-0,18)-8)⋅((-0,18)+4)-((-0,18)+6)⋅((-0,18)-14)=(-8,18⋅3,82)-(5,82⋅(-14,18))=-31,2476-(-82,5276)=-51,28
(d−8)⋅(d+4)−(d+6)⋅(d−14)=d²+4d-8d-32-d²+14d-6d+64=4d+32
4*(-0.18)+32=32-0.72=31.28