Question

Subtract


xyz-4xy+5 from 5xyz+xy+3yz-4​

Answer 1

Answer: 4xyz+5xy+3yz-9

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