(3-5y)(9+15y+25y)=(3-5y)(9+40y)=27+120y-45y-200y²=27+75y-200y²
Объяснение:
(3-5у)(9+15у+25у)=(3-5у)(9+40у)=
=27+120у-45у-200у^2=
= - 200у^2+75у+27
(3-5y)(9+15y+25y)=(3-5y)(9+40y)=27+120y-45y-200y²=27+75y-200y²
Объяснение:
(3-5у)(9+15у+25у)=(3-5у)(9+40у)=
=27+120у-45у-200у^2=
= - 200у^2+75у+27