Question 1105428
Perform the indicated operations and write your result in lowest terms.

(9t^3-t^2) 45t^2-5t/81t^2-18t+1
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{{{(9t^3-t^2) 45t^2-5t/81t^2-18t+1}}}
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Not a lot to do.
Maybe you need to add parentheses?  They are free.