Question

1. Сократи дробь x+3/x²+15x+36
2. Сократи дробь 2x²−4x+2/x³−1

Answer 1

1)

$= \frac{x + 3}{(x + 3)(x + 12)} = \frac{1}{x + 12}$

2)

$= \frac{2(x - 1)}{x {}^{2} + x - 1 }$