Factorise:
(i) 4x2 +9y2 + 1672 + 12xy
XY
(ii) 2x2 + y2 + 8z? 2/2
6. Write the following cubes
(i) (2x + 1)
(ii
7. Evaluate the following us
(i) (99)
8. Factorise each of the follo
(i) 8a + b3 + 12a²b + bal
(iii) 27 – 125a - 135a + 2
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