1)
[tex]3x {}^{2} y \times ( - 5)xy {}^{2} [/tex]
[tex] - 15x {}^{3} y {}^{3} [/tex]
2)
[tex] - 5xyz \times (3x {}^{2} )[/tex]
[tex] - 5xyz \times 3x {}^{2} [/tex]
[tex] - 15x {}^{3} yz[/tex]
3)
[tex]4x \times ( - 5x {}^{2} y {}^{3} z)[/tex]
[tex] - 20x {}^{3} y {}^{3} z[/tex]
4)
[tex] - 5x \times (3y {}^{2} z)[/tex]
[tex] - 5x \times 3y {}^{2} z[/tex]
[tex] - 15xy {}^{2} z[/tex]
5)
[tex]15x {}^{2} y {}^{2} \div ( - 3) \times x[/tex]
[tex] - 5x {}^{2} y {}^{2} x[/tex]
[tex] - 5x {}^{3} y {}^{2} [/tex]
6)
[tex] - 14x {}^{3}y {}^{3} z {}^{4} \div 7xyz {}^{2} [/tex]
[tex] - 2x {}^{3} y {}^{3} z {}^{4} [/tex]
[tex] - 2x {}^{4} y {}^{4} z {}^{6} [/tex]
7)
[tex](5x {}^{2} ) {}^{2} [/tex]
[tex]5 {}^{2} \times (x {}^{2} ) {}^{2} [/tex]
[tex]25x {}^{4} [/tex]
8)
[tex]( - 3xy {}^{2} ) {}^{3} [/tex]
[tex]( - 3) {}^{3 } \times x {}^{3} \times (y {}^{2} ) {}^{3} [/tex]
[tex] - 27x {}^{3} \times (y {}^{6} )[/tex]
9)
[tex](3x {}^{3} y {}^{5} ) {}^{2} [/tex]
[tex]3 {}^{2} \times (x {}^{3} ) {}^{2} \times (y {}^{5} ) {}^{2} [/tex]
[tex]9x {}^{6} y {}^{10} [/tex]
10)
[tex]3( \times - 2) \\ 3x - 3 \times 2 \\ 3x - 6[/tex]sper ca te-am ajutat până aici
