What is the product? (9t– 4)(-9t-4)​

Question

What is the product?
(9t– 4)(-9t-4)​

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Abigail 3 weeks 2021-09-08T19:45:42+00:00 2 Answers 0

Answers ( )

    0
    2021-09-08T19:46:55+00:00

    Answer:-81t^2 + 16

    Step-by-step explanation:

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

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

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

    -81t^2+16

    0
    2021-09-08T19:47:03+00:00

    -81t to the second +16

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45:7+7-4:2-5:5*4+35:2 =? ( )