September 2021 1 23 Report
5*. Розкладіть на множники вираз: (х - у)² - z² - 4х² +4xy + 4хz
А. (x-y-z)(z - у - 3х).
В. (x-y+z)(z - y + 5х).
Б. (х - у + z)(z-у - 4х).
г. (x-y-z)(z +y+ 3х).

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