Find the product:
(-8x^{4})(11x^3)
-88x^7
3x^7
3x^12
-88x^12
Find the quotient:
\frac{4k^6-2k^4}{2k^3}
k^{3}-k
\frac{2k^6-2k^4}{k^3}
2k^{3}-k
8k^{9}-4k^7