Question

Преобразуйте в многочлен
1) (x+2)^3
2)(n-3)(n^3+3n+9)
3)(y-4)^2
4)(m-3)^3
5)(x+3)^2
6)(a+1)(a^2-a+1

Answer 1

1) (x+2)^3=x³+6x²+12x+8
2)(n-3)(n^3+3n+9)=n⁴+3n²+9n-3n³-9n-27=n⁴-3n³+3n²-27
3)(y-4)^2=y²-8y+16
4)(m-3)^3=m³-9m²+27m-27
5)(x+3)^2=x²+6x+9
6)(a+1)(a^2-a+1)=a³+1

если во 2) условие 
(n-3)(n^2+3n+9)=n³-27