Question

Factor 9a2−49

Answer 1

[AI-generated answer — Bot GPT 3.5]

To factor 9a²-49, you can use the difference of squares formula.

The difference of squares formula states that a² - b² can be factored as (a + b)(a - b).

In this case, a² is equal to (3a)² and 49 is equal to 7².

So, 9a² - 49 can be written as (3a + 7)(3a - 7).