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32 votes
32 votes
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

Help please Multiply. Identify the product as a perfect-square trinomial, a difference-example-1
User Jrarama
by
3.0k points

2 Answers

8 votes
8 votes

Answer:

. 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

User Cascadox
by
2.9k points
24 votes
24 votes

Answer:

64y² - 81

Step-by-step explanation:

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

64y² - 72y + 72y - 81

64y² - 81

User Alice Ryhl
by
2.9k points