September 2018 1 35 Report
Selesaikan persamaan kuadrat berikut dengan metode rumus

ketauhin terlebih dahulu a = , b= ,c= berapa ?
a . x²-36=0
b. x²+6x =0
c. 19x+x²=-11
d. 6x=x²-12
e. 36x - 9x² + 27= 0

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