Jawab:
Penjelasan dengan langkah-langkah:
3a = x
a = x/3
x² + 3x - 5 = 0
(x/3)² + 3 . (x/3) - 5 = 0
(x²/9) + x - 5 = 0
dikali 9
x² + 9x - 45 = 0
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Jawab:
Penjelasan dengan langkah-langkah:
3a = x
a = x/3
x² + 3x - 5 = 0
(x/3)² + 3 . (x/3) - 5 = 0
(x²/9) + x - 5 = 0
dikali 9
x² + 9x - 45 = 0