Question

Help please

Multiply. Identify the product as a perfect-square trinomial, a difference of squares, or neither.
(8y +9)(8y - 9) =
The product is a difference of squares

Answer 1

. 64y² - 81

. the product is a difference of squares

Step-by-step explanation:

(8y + 9)(8y - 9) = 64y² - 81

the product is a difference of squares

Answer 2

64y² - 81

Step-by-step explanation:

(8y +9)(8y - 9)

64y² - 72y + 72y - 81

64y² - 81