- Equivalent expressions, Laws of exponentsChoice A
$$ -\frac{35x^5y^4}{5xy}=? $$
$$ -\frac{35x^5y^4}{5xy}=-7x^{5-1}y^{4-1} $$
$$ =-7x^{4}y^{3} $$
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$$ -\frac{35x^5y^4}{5xy}=? $$
$$ -\frac{35x^5y^4}{5xy}=-7x^{5-1}y^{4-1} $$
$$ =-7x^{4}y^{3} $$
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