Question

56.
Factorise (3 - 4y - 7y2)2 – (4y + 1)2
(1) (4 - 7y2) (2 - 8y - 7y2)
(2) (7y2 - 4) (2 - 8y - 7y2)
(3) (4 - 7y2) (7y2 + 8y - 2)
(4) (7y2 - 4) (7y2 - 8y - 2)​

Answer 1

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Answer 2

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