4. Factorise
8-4L-4m - 2Lm - 4n + 2Ln + 2mn - Lmn
(1) (2-L) (2 + m) (2 + n)
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you can find the answer from the picture attached
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The factors are (2-L)(2-m)(2-n)
Step-by-step explanation:
The question can be solved by first grouping the terms( two terms) and then taking out whatever is common in the terms outside the bracket.
8-4L -4m + 2Lm - 4n + 2Ln + 2mn - Lmn
(2-L) is common in all, so it can be taken out
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