[tex] \bf a) \: ( { - 100x}^{7} ) \div ( {4x}^{3}) = - 25 {x}^{3} [/tex]
[tex] \bf b) \: ( - \frac{8}{3} {x}^{4} ) \div ( - \frac{2}{3} x) = \\ \\ \bf = + \frac{8}{3} {x}^{4} \cdot \frac{3}{2} x = \\ \\ \bf = \frac{24}{6} {x}^{5} = 4 {x}^{5} [/tex]
[tex] \bf c) \: (4 \sqrt{6} {x}^{6} ) \div ( - 2 \sqrt{3} {x}^{4} ) = - 2 \sqrt{2} {x}^{2} [/tex]
Revin cu explicații! Succes! :)