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OpenStudy (anonymous):
what are the factors of the following polynomial? 9t^2 -4
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OpenStudy (anonymous):
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.
OpenStudy (anonymous):
i still dont get it can you please write it for me on this terms ( ) ( )
OpenStudy (anonymous):
(3t - 2) ( 3t + 2) Check the work by "FOILING" this answer.
OpenStudy (anonymous):
can it also be (3t +2) ( 3t - 2) cause the answer you give is not in any of my choices .
OpenStudy (anonymous):
Yes, the order of the parenthesis is unimportant.
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