[tex] \frac{10x + 2}{ {x}^{2} } \times \frac{x}{5x + 1} = \frac{2}{x} \times 1 = \frac{2}{x} [/tex]
[tex] \frac{6 - 4x}{(1 - x){}^{2} } \times \frac{x - 1}{2x - 3 } = \frac{ - 4x + 6}{(x - 1) {}^{2} } \times \frac{ x - 1}{2x - 3} = \frac{ - 2(2x - 3)}{x - 1} \times \frac{1}{2x - 3} = \frac{ - 2}{x - 1} [/tex]
