Помогите срочно решить да уравнения x^4 + 2x^3 + 8x +16 = 0
и второе уравнения x^5 - 4x^4 + 4x^3 - x^2 + 4x - 4 = 0
и второе уравнения x^5 - 4x^4 + 4x^3 - x^2 + 4x - 4 = 0
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x^5-4x^4+4x³-x²+4x-4=x³(x²+4)-(x²+4)-4x(x³-1)=(x²+4)(x³-1)-4x(x³-1)=
=(x³-1)(x²+4-4x)=(x³-1)(x²-4x+4)=(x-1)(x²+x+1)(x-2)²=(x-2)²(x-1)(x²+x+1)