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B.
6. 7ab - Sab
7. In - 5n
8. 22ds - (-8c2d)
9. (6x + 8y) - (4x + 5y)
10. (8x2 - 15x + 9) (3 + 2x + 1) =​


Sagot :

Answer:

1.ab x (7 - s)

2. -5n - 4x

3. 2d x (11s + 8c)

4.6 + 3y - 4x

5. -30x² - 10x + 100

Hope it helps ✌