Сокращение дробей

1. $$\frac{x+5b}{2x^2+10bx} = \frac{x+5b}{2x(x+5b)} = \frac{1}{2x}$$
2. $$\frac{x-2b}{x^2-2bx} = \frac{x-2b}{x(x-2b)} = \frac{1}{x}$$
3. $$\frac{4x^6y}{14x^2y^3z} = \frac{2x^4}{7y^2z}$$

Ответ:

• $$\frac{1}{2x}$$
• $$\frac{1}{x}$$
• $$\frac{2x^4}{7y^2z}$$