Respuesta :
Answer:
9(x - 3)(x + 3)
Step-by-step explanation:
Given
9x² - 81 ← factor out 9 from each term
= 9(x² - 9) ← x² - 9 is a difference of squares
= 9(x - 3)(x + 3) ← in factored form
Answer:
9(x - 3)(x + 3)
Step-by-step explanation:
Given
9x² - 81 ← factor out 9 from each term
= 9(x² - 9) ← x² - 9 is a difference of squares
= 9(x - 3)(x + 3) ← in factored form
