So that equation was definitely correct...
When you expand the equation in the bracket you'll find out that you'll get a^6 + 4a^4 + !6a^2 - 4a^4 - 16a^2 -64. then your final result will be a^6 - 64
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Answer:
c
Step-by-step explanation:
Answer:

Step-by-step explanation:
Change the mixed number into a regular fraction.

Subtract the numerator.

As a mixed number:

Non proportional I think. Wait for someone else to answer