Chapter R - Review of Basic Concepts - R.6 Rational Exponents - R.6 Exercises: 93

$\color{blue}{z^{-1/2}(9+2z)}$

Work Step by Step

The least exponent of the variable is $-1/2$. Factor out $z^{-1/2}$ to obtain: $=\color{blue}{z^{-1/2}(9+2z)}$

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