Объяснение:
2)x³-y³=(x-y)(x²+xy+y²)
8) a³-8=a³-2³=(a-2)(a²+2a+2²)=(a-2)(a²+2a+4)
10) n³-27=a³-3³=(a-3)(a²+3a+3²)=(a-3)(a²+3a+9)
2) (8x³+y³=(2x)³+y³=(2x+y)((2x)²-2xy+y²)=(2x+y)(4x²-2xy+y²)
4) 1+64=1³+4³=(1+4)(1²-1*4+4²)=5(1-4+16)=5*13=65
6) 1-8b³=1³-(2b)³=(1-2b)(1²+1*2b+(2b)²)=(1-2b)(1+2b+b²)
Объяснение:
2)x³-y³=(x-y)(x²+xy+y²)
8) a³-8=a³-2³=(a-2)(a²+2a+2²)=(a-2)(a²+2a+4)
10) n³-27=a³-3³=(a-3)(a²+3a+3²)=(a-3)(a²+3a+9)
2) (8x³+y³=(2x)³+y³=(2x+y)((2x)²-2xy+y²)=(2x+y)(4x²-2xy+y²)
4) 1+64=1³+4³=(1+4)(1²-1*4+4²)=5(1-4+16)=5*13=65
6) 1-8b³=1³-(2b)³=(1-2b)(1²+1*2b+(2b)²)=(1-2b)(1+2b+b²)