1. Factorise:
(i) 4x2 +9y2 + 1622 + 12xy – 24yz – 16xz
(ii) 64a^3-27b^3
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Step-by-step explanation:
(i) it's too tricky, sorry
(ii) 64a^3 - 27a^3
(4a)^3 - (3a)^3
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