Factorise.
4p² – 9 q?
16x - 144x
9x? y2 - 16
Vii) 25a? - 4b2 + 28bc - 49c2
G) 6302 - 11262 4932 - 36
☺ (1 + m) - (1 - m
vi) (x2 - 2xy + y) - 2
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