Question

(2m - 3n)(2m+3n) + (2m + 3n)^3

Answer 1

Answer:

28m

Step-by-step explanation:

(4m + 2m3n) - ( 3n2m - 9n) + (6m + 9n)

4m + 6m + 2m3n - 3n2m + 9m+ 9m

10m + 2m3m - 2m3m + 18m

10m + 18m

28m

Answer 2

Step-by-step explanation:

2m(2m+3n)-3n(2m+3n)+(2m+3n)^3

4m^2+6mn-6mn-9n^2+(2m+3n)^3

4m^2-9n^2+(2m)^3+(3n)^3

4m^2-9n^2+8m^3+27n^3

4m^2-9n^2+8m^3+27n^3 is the Answer

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