Объяснение:
1.(5x-m)(5x+m)=25x²-m²
2.(x²-9y²)=(x-3y)(x+3y)
3.(2x-3)²=4x²-12x+9
4.(3n+2p)²=9n²+12np+4p²
5.8y³+27=(2y)³+3³=(2y+3)(4y²-6y+9)
6.64-8a³=4³-(2a)³=(4-2a)(16+8a+4a²)
7.(x+4)(x²-4x+16)=x³-64
8.(2-3k)(4+6k+9k²)=8-27k³
Объяснение:
1.(5x-m)(5x+m)=25x²-m²
2.(x²-9y²)=(x-3y)(x+3y)
3.(2x-3)²=4x²-12x+9
4.(3n+2p)²=9n²+12np+4p²
5.8y³+27=(2y)³+3³=(2y+3)(4y²-6y+9)
6.64-8a³=4³-(2a)³=(4-2a)(16+8a+4a²)
7.(x+4)(x²-4x+16)=x³-64
8.(2-3k)(4+6k+9k²)=8-27k³