Question

CОКРАТИТЬ ДРОБЬ!!

1)24a^5b/6a^3

2)5y/y^+5y

3)b^2-c^2/b+c

Answer 1

$\frac{24a ^{5}b }{6 a^{3} } =4 a^{2}b\\\\ \frac{5y}{ y^{2}+5y }= \frac{5y}{y(y+5)}= \frac{5}{y+5}\\\\ \frac{ b^{2}- c^{2} }{b+c} = \frac{(b+c)(b-c)}{b+c}=b-c$