Factories (n-7) + (7lm-lmn?
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Answer:
(n-7)(1-lm)
Step-by-step explanation:
(n-7) + (7lm-lmn)
=(n-7) -lm(n-7)
= 1(n-7) -lm(n-7)
= (n-7)(1-lm)
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