Question

Simplest form - Question is attached

Answer 1

a is the answer i.e 8/x2

Answer 2

(8x^-6)^-1/3
the powers will be multiplied i.e -6 will be multiplied by -1/3 which result in -2 (8x^-2)
to make the answer positive we place the x in denominator so the answer will be
8/x^2

Answer 3

Thanks a million

Answer 4

np =)