add 7xys - 15zxy and - 9yzx
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Answered by
0
Answer:
xyz
Step-by-step explanation:
Answered by
3
Answer:
- 17xyz
Step-by-step explanation:
xyz can be written as xzy, zxy, zyx, yzx and yxz. All these are same only.
7xyz - 15zxy + ( - 9yzx )
= 7xyz - 15xtz - 9xyz
= 7xyz - 24xyz
= - 17xtz
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