Move to the numerator using the negative exponent rule .

Move .

Use the power rule to combine exponents.

Add and .

Simplify (9x^2(z^4))/(49x^-2)

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# Simplify (9x^2(z^4))/(49x^-2)

Move to the numerator using the negative exponent rule .

Move .

Use the power rule to combine exponents.

Add and .

Simplify (9x^2(z^4))/(49x^-2)