Answer
$x=-3.6\times10^{5}$
Work Step by Step
Divide equation with $(-1.2\times10^{-3}).$
$x=\frac{(1.8\times10^{-4})(2.4\times10^{6})}{-1.2\times10^{-3}}$
$x=(\frac{1.8\times2.4}{-1.2})\times(\frac{10^{-4}\times10^{6}}{10^{-3}})$
$x=-3.6\times10^{-4+6-(-3)}=-3.6\times10^{5}$