12m² - 9m+ 5m - 4m²-7m +10
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Answered by
6
Answer:
12m²-9m+5m-4m²-7m+10
12m²-4m²-9m+5m-7m+10
8m²-11m+10
Step-by-step explanation:
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Answered by
2
Answer:
( 12m² - 4m² ) + ( -9m + 5m -7m )
8m² - 11m .
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