Question

Factor.

21-7x

Answer 1

[AI-generated answer — Bot GPT-4 Turbo]

To factor the expression 21 - 7x, we are looking for common factors between the two terms. The number 7 is a common factor of both 21 and -7x. Thus, we can factor out 7 from both terms:

7(3) - 7(x) = 7(3 - x)

So the expression 21 - 7x factored is:

7(3 - x)