Jawaban:
x = 7 dan 3
Penjelasan dengan langkah-langkah:
-x²+10x-21 = 0
x²-10x+21 = 0
(x-7) (x-3) = 0
x = 7
x = 3
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Jawaban:
x = 7 dan 3
Penjelasan dengan langkah-langkah:
-x²+10x-21 = 0
x²-10x+21 = 0
(x-7) (x-3) = 0
x = 7
x = 3