April 2020 1 47 Report
1. selesaikan dengan rumus ABC
a.x²+7x-30=0
b.x²-2x+5=0
2.Tentukan jenis-jenis akar pers kuadrat berikut.
a.x²+3x+4=0
b.2x²-12x+1=0
3.Hitunglah jumlah dan hasil kali akar PK:
a.x²+5x-6=0
b.6x²-8x=0
tolong

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