May 2019 1 67 Report
1.) tentukan akar akar persamaan berikut.
a. -x²+2x+3=0
b. x²+8x =-12

2.) selesaikan persamaan kuadrat berikut dengan rumus abc!
a. 3x²-6x-3=0
b. 2x²+15 =13x

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