connorhanratty6487
12.08.2020 •
Mathematics
Plz help will give brainlist
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Ответ:
4xyz+5xy+3yz-9
Step-by-step explanation:
(SIGNAL RULES)
+(+) = +
+(-) = -
-(+) = -
-(-) = +
5xyz+xy+3yz-4-(xyz-4xy+5) -> 5xyz+xy+3yz-4-xyz+4xy-5 = 5xyz-xyz+xy+4xy+3yz-4-5 = 4xyz+5xy+3yz-9