Объяснение:
2ax+3bx+10a+15b
2a(x+5)+3b(x+5)
(x+5)(2a+3b)
3my-2ny-9m+6n
3m(y-3)-(2n(y-3)
(y-3)(3m-2n)
7ax+8ay-28x-32y
7x(a-4)+8y(a-4)
(a-4)(7x+8y)
48m+56n-6am-7an
6m(8-a)+7n(8-a)
(6m+7n)(8-a)
