• Jika x=3 dgn persamaan kuadrat x²-2x+c=0 maka nilai 2x²-c adalah....Tolong bantu kak.... Question from @venyvirginiaa

December 2023 1 0 Report

• Jika x=3 dgn persamaan kuadrat x²-2x+c=0 maka nilai 2x²-c adalah....

Tolong bantu kak

x²-2x + c = 0

(-3)²-2(-3) + c =0

9 +6 + c = 0

15 + c = 0

c = 0 -15

c = -15

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