Question

Expand: (7m2 + 2m)2.

Answer 1

`49m^(4) +28m^(3) +4m^(2)`

Last Answer

Explanation:

Answer 2

`49m {}^(4) + 28m {}^(3) + 4m {}^(2)`

explanation:

`7m {}^(2) (7m {}^(2) + 2m) + 2m(7m {}^(2) + 2m) \\ \\ 49m {}^(4) + 14m {}^(3) + 14m {}^(3) + 4m {}^(2) \\ \\ 49m {}^(4) + 28m {}^(3) + 4m {}^(2)`l

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