Simplify the following: $\frac{3x}{5}-\frac{x}{7}$3x5−x7

Simplify $\frac{5}{8p}-\frac{7}{p}$58p−7p.

Simplify $\frac{5x}{7\left(x+1\right)}-\frac{10}{x+1}$5x7(x+1)−10x+1. Give your answer in factorised form.

Simplify the following expression: $\frac{1}{5}+\frac{7}{x-6}$15+7x−6. Give your answer in factorised form.