Answer:
-5x⁵ +2x² -3/x³
Explanation:
You want the quotient and remainder of (-15x⁸ +6x⁵ -9)/(3x³).
Division
The quotient and remainder can be found by dividing term by term.

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Additional comment
The exponent rule is (a^b)/(a^c) = a^(b-c).
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