Question

Expand (2m+1)^3 using identity

Answer 1

Answer:

8m^3+12m^2+6m+1

Step-by-step explanation:

$(2m+1)^{3} \\\\(a+b)^3 = a^3 +b^3 +3a^2b + 3ab^2\\(2m)^3 + 1^3 +3(2m)^2*1 +3(2m)*1^2\\= 8m^3 +1 +12m^2+6m\\=8m^3+12m^2+6m+1$

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