Penjelasan dengan langkah-langkah:
5(2-3a²) - 8(1-2a²)
= 10 - 15a² - 8 + 16a²
= 10 - 8 - 15a² + 16a2
= 2 + a²
= a² + 2 (B)
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Penjelasan dengan langkah-langkah:
5(2-3a²) - 8(1-2a²)
= 10 - 15a² - 8 + 16a²
= 10 - 8 - 15a² + 16a2
= 2 + a²
= a² + 2 (B)