1) (2+x)³=2³+3×2²x+3×2x²+x³=8+12x+6x²+x³=x³+6x²+12x+8
2) (a-2)³=a³-3a²×2+3a×2²-2³=a³-6a²+12a-8
3) (5-b)³=5³-3×5²b + 3×5b² - b³= -b³+15b²-75b+125
4) (y+3)³=y³+3y²×3+3y×3²+3³=y³+3y²+27y+27
5) (a-c)³=a³ - 3a²c+3ac²+c³
6) (c+d)³= c³+3c²d+3cd²+d³
7) (z-t)³=z³-3z²t+3zt²-t³
8) (k+m)³=k³+3k²m+3km²+m³
Пошаговое объяснение:
Сами формулы:
(a+b)³=a³+3a²b+3ab²+b³
(a-b)³=a³-3a²b+3ab²-b³
1) (2+x)³=8+12x+6x²+x³
2)(а-2)³=a³-6a²+12a-8
3)(5-b)³=125-75b+15b²-b³
4)(y+3)³=y³+9y²+81y+81
5)(a-c)³=a³-3a²c+3ac²-c³
6)(c+d)³=c³+3c²d+3cd²+d³
7)(z-t)³=z³-3z²t+3zt²-t³
8)(k+m)³=k³+3k²m+3km²+m³
1) (2+x)³=2³+3×2²x+3×2x²+x³=8+12x+6x²+x³=x³+6x²+12x+8
2) (a-2)³=a³-3a²×2+3a×2²-2³=a³-6a²+12a-8
3) (5-b)³=5³-3×5²b + 3×5b² - b³= -b³+15b²-75b+125
4) (y+3)³=y³+3y²×3+3y×3²+3³=y³+3y²+27y+27
5) (a-c)³=a³ - 3a²c+3ac²+c³
6) (c+d)³= c³+3c²d+3cd²+d³
7) (z-t)³=z³-3z²t+3zt²-t³
8) (k+m)³=k³+3k²m+3km²+m³
Пошаговое объяснение:
Сами формулы:
(a+b)³=a³+3a²b+3ab²+b³
(a-b)³=a³-3a²b+3ab²-b³
Пошаговое объяснение:
1) (2+x)³=8+12x+6x²+x³
2)(а-2)³=a³-6a²+12a-8
3)(5-b)³=125-75b+15b²-b³
4)(y+3)³=y³+9y²+81y+81
5)(a-c)³=a³-3a²c+3ac²-c³
6)(c+d)³=c³+3c²d+3cd²+d³
7)(z-t)³=z³-3z²t+3zt²-t³
8)(k+m)³=k³+3k²m+3km²+m³