A3+b^3 -x^3y^3-1 -x^3+1/y^3 m^3n^3+8 a^+1 -1/8-a^3 надо разложить на многочлен оч

-a³+b³ = b³-a³ = (b-a)(b²+ab+a²)
-x³y³-1 = -(x³y³+1) = -(xy+1)(x²y²-xy+1)
-x³+1/y³ = 1/y³-x³ = (1/y -x)(1/y²+x/y+x²)
m³n³+8 = (mn+2)(m² n²+2mn+4)
a³+1 = (a+1)(a²+a+1)
-1/8-a³ = -(1/8+a³) = -(1/2+a)(1/4+a/2+a²)