subtract: 5x² - 3y2 + 7y - 7
from 9x2 - 2xy + 10y + 6y- 4y
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Answer:
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Step-by-step explanation:
2a + b + 7
4a + 2b + 3
---------------------
6a + 3b + 10
(ii)
3x + y - 8
- 7x + y + 4
---------------------
-4x + 2y - 4
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