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Kata kunci : pemfaktoranMapel : Matematika
1. X^2 + 8x - 2= mungkin salah tulis soalnya ,tidak ada perkalian yg hasilnya dua dan , jika ditambah 8
2. X^2 + x - 2 = (X+2) (X-1)
3. X^2 + x - 20= ( x + 5 ) ( x - 4 )
4. X^2 + 13x - 30 = ( x + 15 ) (x -2)
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