17xy - 13yz + 8zx, 5xy + 9yz - 7zx and -7yz -zx + 2xy
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9
Step-by-step explanation:
17xy+5xy+2xy-13yz+9yz-7yz+8zx-7zx-zx
=24xy-11yz+0zx
= 24xy-11yz
Answered by
0
Step-by-step explanation:
vijvogb lak hai ki vo oo vo kuchh gf rooftop
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