г) 4x^3 - x = x(4x^2 - 1) = x(2x-1)(2x+1)
д) x^3 + y^3 - x^2y - xy^2 = (x+y)((x^2 - xy + y^2) - xy) = (x+y)(x^2 - 2xy + y^2)
е) 4x^24 + 4x^7 + 1 = (2x^7 + 1)^2
г) 4x^3 - x = x(4x^2 - 1) = x(2x-1)(2x+1)
д) x^3 + y^3 - x^2y - xy^2 = (x+y)((x^2 - xy + y^2) - xy) = (x+y)(x^2 - 2xy + y^2)
е) 4x^24 + 4x^7 + 1 = (2x^7 + 1)^2