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19-12-2019
Mathematics

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Which of the following shows the expression −3t2−2t(4s−9t)+7st in simplest form

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Yang100 Yang100

21-12-2019

Answer:

15t^2-ts

Step-by-step explanation:

-3t^2-2t(4s-9t)+7ts

-3t^2-8ts+18t^2+7ts

-3t^2+18t^2-8ts+7ts

15t^2-ts

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