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Question

Which of the following expressions gives the equivalent expression of 3(2x - 7y - 3)?

A
6x - 21y - 9
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B
6x + 14y + 9
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C
3x - 14y - 9
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D
6x - 7y - 9
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Solution

The correct option is A 6x - 21y - 9
Given expression is 3(2x - 7y - 3).

Multiply 3 with each term within the brackets.

= 3(2x) - 3(7y) - 3(3)

= 6x - 21y - 9


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