(х-3у)(3у-х)-(3у-2х)² помогите пожалуйста. Created by Anastasia27mrmrmr. matematika-ru

(х-3у)(3у-х)-(3у-2х)² помогите пожалуйста...

October 2021 1 22 Report

(х-3у)(3у-х)-(3у-2х)²
помогите пожалуйста

Answers & Comments

AlexMam (х-3у)(3у-х)-(3у-2х)²=(-3y+x)(3у-х)-(3у-2х)²=-(3y-x)(3y-x)-(3y-2x)²=-(3y-x)²-(3y-2x)²=-((9y²-6xy+x²)+(9y²-12xy+x²))=-(18y²-18xy+x²)=-18y²+18xy-x²

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Answers & Comments

v raznye vremena v raznyh stranah vybory v organy vlasti provodilis po raznomu

privedite primery osushestvleniya nesovershennoletnimi podrostkami svoih prav v soob3392216111b6ca8fe24c927e2eb7031 65521

russko tureckaya vojna 1768 1774 god voprosy dlya sravneniya pomogite pozhalujsta

pochemu akademiya nauk schitalas ne tolko centrom nauk no i obrozovaniya

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