Solving for a variable in an equation with exponents.

Given a^2 - 4 = 0, the possible values for a are 2 and -2. Substituting these values into a^3 - 4, we find that a^3 - 4 can be either 4 or -12.

Answer

Here’s how to solve the problem:

Given

, we want to find the value of

Solve for :
Substitute the values of into :
- Case 1:
- Case 2:

Therefore,

can be either

Final Answer: The final answer is

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Solving for a variable in an equation with exponents.

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