Jawabanmu

2014-08-10T21:03:01+07:00
(3a + 4)(3a + 4) = 9a^2 + 12a + 12a + 16 = 9a^2 + 24a +16
Jawaban paling cerdas!
2014-08-10T21:08:01+07:00
(3a+4)²
=(3a)² + 2(3a)(4) +(4)²
=9a²+24a+16
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