May 2019 1 180 Report
Akar akar persamaan kuadrat -2x kuadrat + 13x = 15 adalah x1 dan x2. Nilai x1 kuadrat + x2 kuadrat adalah ...
a. -1
b. 27 1/4
c. 57 1/4
d. 77
e. 92
Beserta caranya ya. makasii
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