Is 36z^2 - 9 a difference of squares?

Mathematics

1 answer:

Dvinal [7]3 years ago

4 0

Answer:

yes

Step-by-step 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)

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