Question

помогите сократить дробь

Answer 1

$\frac{3x - 6}{2 {x}^{2} + 6x - 20 } = \frac{3(x - 2)}{2( {x}^{2} + 3x - 10) } = \frac{3(x - 2)}{2(x {}^{2} + 5x - 2x - 10)} = \\ = \frac{3(x - 2)}{2(x(x + 5) - 2(x + 5))} = \frac{3(x - 2)}{2(x - 2)(x + 5)} = \frac{3}{2(x + 5)} = \frac{3}{2x + 10}$