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Question
Divide 72xyz2 by −9xz.
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Solution
\[\frac{72xy z^2}{- 9xz}\]
\[ = \frac{72 \times x \times y \times z \times z}{- 9 \times x \times z}\]
\[ = - 8 x^{(1 - 1)} y z^{(2 - 1)} \]
\[ = - 8yz\]
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