Question

х^5+3 х^4-8х^3-24 х^2+16х+48=0 решите плиз

Answer 1

х⁵+3х⁴-8х³-24х²+16х+48=x⁴(х+3)-8х²(x+3)+16(х+3)=
=(x+3)(x⁴-8x²+16)=(x+3)(x²-4)²=(x+3)(x-2)²(x+2)²=0.
Ответ: {-3; -2; 2}.