Question

б) 6ab³(x-y)-15a²b(y-x).Разложите на множители

Answer 1

$6ab^3(x-y)-15a^2b(y-x)=6ab^3(x-y)+15a^2b(x-y)=\\\\(x-y)(6ab^3+15a^2b)=3ab(x-y)(5a+2b^2)$