Ответ:6+у^3+3х^2у-3у-у^2
Объяснение:(2+у)(4-2у+у^2)-(2-3ух^2+3у)-у^2=8+у^-(2-3х^2у+3у)-у^2=8+у^3-2+3х^2у-3у-у^2=6+у^3+3х^2у-3у-у^2
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Ответ:6+у^3+3х^2у-3у-у^2
Объяснение:(2+у)(4-2у+у^2)-(2-3ух^2+3у)-у^2=8+у^-(2-3х^2у+3у)-у^2=8+у^3-2+3х^2у-3у-у^2=6+у^3+3х^2у-3у-у^2