(3a-2b+c)(a+b+2c)=...........
Matematika
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Pertanyaan
(3a-2b+c)(a+b+2c)=...........
1 Jawaban
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1. Jawaban haruru27
(3a-2b+c)(a+b+2c) = 3a²+3ab+6ac-2ab-2b²-4bc+ac+bc+2c²
=3a²-2b²+2c²+ab+7ac-3bc