12xy - 5yz - 9zx from 15xy + 6yz + 7zx
Answers
Answered by
2
Answer:
- 3xy + 1yz - 2zx
Step-by-step explanation:
( 12xy - 5yz - 9zx ) - ( 15xy - 6yz - 7zx )
= 12xy - 5yz - 9zx - 15xy + 6yz + 7zx
= 12xy - 15xy - 5yz + 6yz - 9zx + 7zx
= - 3xy + 1yz - 2zx
Answered by
2
Answer:
The answer will be 3xy +11yz +16zx
Step-by-step explanation:
12xy-5yz-9zx from 15xy+6yz +7zx
MEANS
15xy+6yz+7zx - 12xy-5yz-9zx
the sign of 12xy-5yz-9zx will be changed into -12xy+5yz+9zx
then substract it in order
the will be 3xy+11yz+16zx
Similar questions