what is (-4x³y-²)-³ in simplest form using positive exponents only
a.
[tex] \frac{ - y6}{64x9} [/tex]
b.
[tex] \frac{y6}{8x9} [/tex]
c.
[tex]12x3y6[/tex]
d.
[tex]8x9y6[/tex]



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