Question

(m+n)^3
(m-n)^3
(x-1)^3
(2+k)^3
(2m-3n)^3
(5a+2b)^3
(3x+y^2)^3

Answer 1

(m+n)³=m³+3m²n+3mn²+n³
(m-n)³=m³-3m²n+3mn²-n³
(x-1)³=x³-3x²+3x-1
(2+k)³=8+12k+6k²+k³
(2m-3n)³=8m³-36m²n+54mn²-27n³
(5a+2b)³=125a³+150a²b+60ab²+8b³
(3x+y²)³=27x³+27x²y²+9xy⁴+y⁶

Answer 2

спасибо)