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hard • Past Paper
Factorize 4a^2 - 12ab + 9b^2 - 16c^2.
A
(2a-3b-4c)(2a-3b+4c)
B
(2a+3b-4c)(2a+3b+4c)
C
(2a-3b-4c)^2
D
(2a-3b+4c)^2