բ) (q+p)(p²-pq+q²)=q³+p³

դ) (2+x)(4-2x+x²)=8+x³

զ) (25-5m+m²)(5+m)=125+m³

զ) (9n²-3nm+m²)(m+3n)=m³+27n³

է) (3x+y)(9x²-3xy+y²)=27x³+y³

ը) (a⁴+1)(a⁸-a⁴+1)=a¹²+1

թ) (4x⁴y²-6x²ya+9a²)(3a+2x2y)=27a³+8x⁶y³

ժ) (5p³+2q²)(4q⁴-10p³q²+25p⁶)=125p⁹+8q⁶