Question

what are the factors of the following polynomial? 9t^2 -4

Answer 1

Again difference of two squares. 9 is a perfect square of 3 and t^2 is the perfect square of t. 4 is a perfect square of two. So you're looking for a pair of parenthesis with a combination of 3t and a positive 4 and a negative 4.

Answer 2

i still dont get it can you please write it for me on this terms ( ) ( )

Answer 3

(3t - 2) ( 3t + 2) Check the work by "FOILING" this answer.

Answer 4

can it also be (3t +2) ( 3t - 2) cause the answer you give is not in any of my choices .

Answer 5

Yes, the order of the parenthesis is unimportant.