9. (x - y)2 + (x - y)
Answers
Answered by
9
Answer:
0
Explanation:
=2x- 2y + (x-y)
=2x - 2y + x - y
=3x - 3y
=0
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Answered by
2
Answer:
3(x-y)
Explanation:
2x-2y+x-y
3x-3y
3(x-y)
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