Г) ау-12bx+3ах-4b= а(у+3x) - 4b(3x-у= (а-4b)(у+3x)
Д) a^2b^2+ab+abc+= ab(ab+c)+c(ab+c= (ab+c)(ab+1)
Е) x^m+1-x^m+x-= x^m - x^m + x + 1 - = x
Ж) ab-a^2b^2+a^3b^3-c+abc-ca^2b^= ab(1-ab) + a^3b^3 - c - (c-ab)(a^2b= ab(1-ab) + a^3b^3 - c(1+ab)
Г) ау-12bx+3ах-4b
= а(у+3x) - 4b(3x-у
= (а-4b)(у+3x)
Д) a^2b^2+ab+abc+
= ab(ab+c)+c(ab+c
= (ab+c)(ab+1)
Е) x^m+1-x^m+x-
= x^m - x^m + x + 1 -
= x
Ж) ab-a^2b^2+a^3b^3-c+abc-ca^2b^
= ab(1-ab) + a^3b^3 - c - (c-ab)(a^2b
= ab(1-ab) + a^3b^3 - c(1+ab)