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Question
The LCM of 2x, 5x and 7x and 7x is ______, where x is a positive integer.
Fill in the Blanks
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Solution
The LCM of 2x, 5x and 7x and 7x is 70x, where x is a positive integer.
Explanation:
Factor out x, LCM(2x, 5x, 7x, 7x) = x × LCM(2, 5, 7)
= x × (2 × 5 × 7)
= 70x
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