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Write the polynomial in descending order : 5a^2b – 13ab + 7a^3 – 4b

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you have to start with 7 as the descending order... 7a^3 - 5a^2b -13ab - 4b, was this all that was needed or was there more to it? if that it is then that would most likely be your answer.
User Winnifred
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