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Rumus:
b kuadrat - 4ac= D
(-3) kuadrat - 4(2)(-K) = 25
9 + 8K= 25
8K = 25-9
8K = 16
K= 16/8
K = 2
jadi nilai K= 2
Rumus:
b kuadrat - 4ac= D
(-3) kuadrat - 4(2)(-K) = 25
9 + 8K= 25
8K = 25-9
8K = 16
K= 16/8
K = 2
jadi nilai K= 2