HeatherofMurdock HeatherofMurdock

11-11-2022
Mathematics

contestada

Resolve:
1:3a + 2a
2:-5b -7b
3:-a² -9a²
4:3a^x-²^+5a^x-²
5:18x - 11x
6:5a - 8a + a -6a + 21a

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