\[- 0,3x^{5}\sqrt{1,69x^{10}y^{32}},\ если\ x \leq 0\]
\[- 0,3x^{5}\sqrt{1,69x^{10}y^{32}} =\]
\[= 0,3x^{5} \cdot 1,3x^{5}y^{16} = 0,39x^{10}y^{16}\]