Expand: (7m2 + 2m)2.

Answer:
[tex]49m^{4} +28m^{3} +4m^{2}[/tex]
Last Answer
Step-by-step explanation:
Answer:
[tex]49m {}^{4} + 28m {}^{3} + 4m {}^{2} [/tex]
explanation:
[tex]7m {}^{2} (7m {}^{2} + 2m) + 2m(7m {}^{2} + 2m) \\ \\ 49m {}^{4} + 14m {}^{3} + 14m {}^{3} + 4m {}^{2} \\ \\ 49m {}^{4} + 28m {}^{3} + 4m {}^{2} [/tex]l
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