Question

What is the product?
(9t– 4)(-9t-4)​

Answer 1

Answer:-81t^2 + 16

Explanation:

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

9tx-9t + 9tx-4 + -4x-9t + -4x-4

-81t^2-36t+36t+16

-81t^2+16

Answer 2

-81t to the second +16