Предмет: Алгебра, автор: kilimili303

срочно!!!даю 70 баллов

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Автор ответа: xacku2020

1

3р₃=3(х-2)=3х-6

р(х)=2х²-5х - (3х²+1) +(3х-6)= 2х²-5х -3х²- 1 +3х-6 =-х²-2х -7

kilimili303: тут же 1 подставленно

kilimili303: не тебе

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