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  • Pengguna Brainly
2016-02-09T15:52:44+08:00
6n²-5=3n²-2
6n^2 - 3n^2 - 5 + 2 = 0
3n^2 - 3 = 0
( n - 1 ) ( n + 1 ) = 0
n = 1 , n = - 1
2 5 2
2016-02-10T00:04:35+08:00
Bentuk am..
»ax²+bx+c=0
※6n²-5=3n² -2 [pindahkan 3n²-2 ke sebelah]
6n²-3n²-5+2=0
maka, 3n²-3=0