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Simplify an=-7(n-1)(3)

User Rixo
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1 Answer

5 votes

Final answer:

The expression an=-7(n-1)(3) simplifies to an=-21n+21 by distributing the multiplication, with no further simplifications needed.

Step-by-step explanation:

To simplify the expression an=-7(n-1)(3), we need to distribute the multiplication across the terms within the parenthesis.

Multiplying -7 by 3 gives us -21.

Now, we distribute -21 to each term inside the parentheses (n-1). This results in an = -21n + 21.

There is no further simplification possible since the expression is already in its simplest form. Hence, the simplified expression for an = -7(n-1)(3) is an = -21n + 21.

Remember to eliminate terms wherever possible to simplify the algebra and check the answer to see if it is reasonable.

User Yichuan Wang
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