Answers

2016-06-23T21:48:34+08:00
(3z+2k)^2

Use FOIL Method.

9z^2 4k^2
(3z+2k)(3z+2k)
6kz
6kz
= 9z^2 + 12kz + 4k^2 or 9z^2 + 4k^2 + 12kz ✔
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