$$l=-\frac{9}{4}\times-\frac{1}{-3}$$
$l=-\frac{3}{4}=-0.75$
$$l=-\frac{9}{4}\left(-\left(-\frac{1}{3}\right)\right)$$
$$l=-\frac{9}{4}\times \frac{1}{3}$$
$$l=\frac{-9}{4\times 3}$$
$$l=\frac{-9}{12}$$
$$l=-\frac{3}{4}$$
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$l≔-\frac{3}{4}$
