6. Factorise : with mathods
(1) x2 + 4x + 4-a? - 2ab-b2
(2) 4x2 + 12x + 9-2592-20ab-4b2
(3) 9x2 + 6x + 1-m2- 2mn -n2
(4) 25x² + 2Oxy + 4y2 - 9m2 + 6m -1
(5) 49x2 - 14x +1-64a2 + 16ab-b2
(6) 36x2 - 12x + 1-a²b2 - 2abc-c2
(7) 4y? - 4yz + z2 - 9x2 - 6x - 1
(8) 25x2 - 10x + 1 - 9y2 - 6yz - z
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hard to answer
u can take help from rd sharma
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Answer:
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