Question

помогите умоляю !!!!!!!!!!!!!!!!!!!!!! даю 99 баллов

Answer 1

=x(3a-x)
=ab(b+5a)
=2c(c³-2c²+1)
=(b-3)(b-4)
=2c(a+1)+b(a+1)=(a+1)(2c+b)
=6ab²(2a+ab+2b)
=b(b²-4b+4)+2b²-b³=b³-4b²+4b+2b²-b³=4b-2b²=2b(2-b)
=a(x-a)-5(x-a)=(x-a)(a-5)

Answer 2

спасибо