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Semoga paham :)Maaf ya kurang jelas gambarnya
Bab Operasi Aljabar
4x² + 8x + p = 0
4 . 15² + 8 . 15 + p = 0
4 . 225 + 120 + p = 0
900 + 120 + p = 0
1.020 + p = 0
p = -1.020