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vodomira [7]
3 years ago
15

Rewrite each expression as a sum. 12. - 8x2 + 3xy - 9x - 3 13. 2ab -- 5ab2 - 9a2b

Mathematics
1 answer:
Natali [406]3 years ago
8 0
13 ). 2ab + 5ab x 2 - 18ab

2ab + 10ab - 18ab

- 6ab

Answer= - 6ab
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