SOLUTION: The questions says: Multiply (7-5x^3)^2, type in descending order. I really don't know where to start. My math lab at UofP does not have an example of this type of question. I tho

Question 337311: The questions says: Multiply (7-5x^3)^2, type in descending order.
I really don't know where to start. My math lab at UofP does not have an example of this type of question. I thought maybe it was 7 x 5 then subtract 3 -3 for the exponents. But the x after the five is throwing me off.
Answer by chiexpert(48) (Show Source): You can put this solution on YOUR website!
(7-5x^3)^2, type in descending order.
Use foil methods:
=(7-5x^3) (7-5x^3)
=49 -35x^3-35x^3+25x^9

decending order:
=25X^9-70x^3+49

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