Which of the following is a factor of the expression below?

9x2−25
Responses

3x−5
3 x minus 5

3x+1
3 x plus 1

9x−5
9 x minus 5

9x+5

2 answers

The expression can be written as (3x)^2 - 5^2, which is a difference of squares. Therefore, it can be factored as (3x + 5)(3x - 5).

So, the factor of the expression is 9x - 5.
AAAaannndd the bot gets it wrong yet again!
it did all the work correctly, but then botched the final answer!