0 Comments
Answer:
yes
Explanation:
A difference of squares has the form a² - b² = (a - b)(a + b)
note that 36z² = (6z)² ⇒ a = 6z and 9 = 3² ⇒ b = 3
36z² - 9 is a difference of squares and factors as (6z - 3)(6z + 3)
9.4m questions
12.2m answers