Use the power rule to combine exponents.

Combine the numerators over the common denominator.

Add and .

Divide by .

Simplify .

Simplify x^(-7/2)*x^(9/2)

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# Simplify x^(-7/2)*x^(9/2)

Use the power rule to combine exponents.

Combine the numerators over the common denominator.

Add and .

Divide by .

Simplify .

Simplify x^(-7/2)*x^(9/2)