Разложите на множители: 1) (x-1)^6-64 2) 1-(y+2)^6

[latex]1) (x-1)^6-64=x^6-6x^5+15x^4-20x^3+15x^2-6x+1-64= \ = (x-3)(x+1)(x^2+3)(x^2-4x+7); \ 2) 1-(y+2)^6= -y^6-12y^5-60y^4-160y^3-240y^2-192y-63= \ =-(y+1)(y+3)(y^2+3y+3)(y^2+5y+7)[/latex]