Can You Factor Out (x-a)^(-3/2) in This Complex Equation?

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SUMMARY

The discussion centers on factoring the expression involving (x-a)^(-3/2) from a complex equation. The initial equation presented is $$\frac{1}{2}(x-a)^{-\frac{1}{2}}(x+a)^{-\frac{1}{2}} - \frac{1}{2}(x-a)^{\frac{1}{2}}(x+a)^{-\frac{3}{2}}$$. The consensus among participants is to factor out $$\frac{1}{2}(x-a)^{-\frac{1}{2}}(x+a)^{-\frac{3}{2}}$$ as the first step, simplifying the expression effectively.

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mathdad
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Factor.

I need help getting me started with this monster question.

[(x-a)^(-1/2)]/2 * (x+a)^(-1/2) - [(x+a)^(1/2)]/2 *(x-a)^(-3/2)

Do I factor out (x - a)^(-3/2) as step one?
 
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We are given to factor:

$$\frac{1}{2}(x-a)^{-\frac{1}{2}}(x+a)^{-\frac{1}{2}}-\frac{1}{2}(x-a)^{\frac{1}{2}}(x+a)^{-\frac{3}{2}}$$

As my first step, I would factor out:

$$\frac{1}{2}(x-a)^{-\frac{1}{2}}(x+a)^{-\frac{3}{2}}$$
 
That was my first choice to factor out.
 

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