Jawab:
Penjelasan dengan langkah-langkah:
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Jawab:
Penjelasan dengan langkah-langkah:
3a² + 2 = 3(a²-6a+9)
3a²+2 = 3a²-18a+27
2+18a-27 = 0
18a - 25 = 0
18a = 25
a = 25/18