Tentukan nilai a jika diketahui 
!
!
Penyelesaian :
a + 2 = 0 atau a - 1 = 0
a = -2 atau a = 1
Jadi, a = -2 atau a = 1.
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| Don't waste your time. Because time is money. |
Wednesday, 24 July 2019
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Evi's Blog Published @ 2014 by NingsihEvi
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