Question

Сократите дробь
С^2-5с-14 /с^2-7с

Answer 1

$frac{c^2-5c-14}{c^2-7c}= frac{c^2+2c-7c-14}{c^2-7c}= frac{c(c+2)-7(c+2)}{c(c-7)}=frac{(c-7)(c+2)}{c(c-7)}= frac{c+2}{c}$