12m2 - 9m + 5m - 4m2 - 7m +
Answers
Answered by
2
Answer:
( 12m²-4m² ) + ( -9m-7m+5m )+10
8m²+21m+10
Answered by
0
Answer:
8m²-11m
Step-by-step explanation:
12m²-9m+5m-4m²-7m
=12m²-4m²-9m-7m+5m
=8m²-11m
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