October 2018 1 147 Report
1. tentukan akar persamaan berikut :
a. x²-1=0
b. 4x²+4x+1=0
c. -3x²-5x+2=0
d. 2x²-x-3=0
e. x²-x+1/4=0
ini pelajaran persamaan kuadrat, pelajaran smp kelas 2 atau kelas 8
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