December 2018 1 54 Report
Tolong bantuin kerjakan
Tentukan penyelesaian persamaan² dengan cara memfaktorisasi(faktorisasi)
1).7x² – 21x = 0
2).16y² – 225 = 0
3).x² + 21x = 72
4).x² – 16x + 15 = 0
5).4x² + 12x + 5 = 0
6).5y² – 23y – 10 = 0
7).2m – 9 per m = 3

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