(3x+7)(3x-7)
You can distribute these values to give you 9x^2 minus 49. For future reference, when you have no terms including x to the first power the basic numbers in the factored equation (in this case -7 and 7) will be identical with one of them negative in order to cancel this piece out
Answer:
(3x-7)(3x+7)
Step-by-step explanation:
9x² - 49
(3x)² - (7)²
(3x-7)(3x+7)
