Question

What is the product?
(9t-4)(-9t-4)

Answer 1

Answer:

Step-by-step explanation:

16-81t squared

Answer 2

( 9t - 4 ) ( - 9t - 4 )

• identify all the factors and their highest power in all expressions
• multiply the highest powers of these factors to get the least common multiple

expand the expression

= 81t² - 16

hope that helps :) let me know if you have any questions related