Answer:
(-10x^4+17x^4u^3)/(2u^2)
Step-by-step explanation:
To simplify the expression, cancel common factors from numerator and denominator.
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[tex]\dfrac{10x^7u-17x^7u^4}{-2x^3u^3}=\dfrac{x^7u(-10+17u^3)}{2x^3u^3}\\\\=\dfrac{x^4(-10+17u^3)}{2u^2}=\boxed{\dfrac{-10x^4+17x^4u^3}{2u^2}}[/tex]
