Question

CОКРАТИТЬ ДРОБЬ!!

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

2)5y/y^+5y

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

Answer 1

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