Question

a)20ab²-5a³b
b)
25y³2m²+6m

Answer 1

$a) 20a b^{2}-5 a^{3}b$
$5ab(4b- a^{2})$

$b) 25 y^{3}2 m^{2} +6m$
$2m(25 y^{3}+3m)$