(1)
8.
9 D
Yx3a²
So
Factorise each of the following:
8a + b3 +12a-b4 bab?
(iii) 27 -125a - 135a + 225a?
(ii) 8a-b? - 12a+b + 6ab-
(iv) 64a - 27b - 1440 b + 108ab
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sorry. for this....
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