Question

factorise (2m+1)³+(m-1)³
please solve it with
a³+b³=(a+b)(a²+b²-ab)​

Answer 1

Answer:

(2m+1)+(2m^2)+(1)^2-(2m-1)

2m+1+2m^2+1^2-2m-1

2m+1+4m+1-2m-1

4m^2+1

m^2=4/1=4

m^2=√4

m=2