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Question
Factorize each of the following expression:
(2a − b)2 − 16c2
Solution
\[(2a - b )^2 - 16 c^2 \]
\[ = (2a - b )^2 - (4c )^2 \]
\[ = [(2a - b) - 4c][(2a - b) + 4c]\]
\[ = (2a - b - 4c)(2a - b + 4c)\]
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