Penjelasan dengan langkah-langkah:
X² + 13x + 36 = 0
( X+4 ) ( X+9 ) =0
X+4=0 atau X+9=0
X= -4 X= -9
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Penjelasan dengan langkah-langkah:
X² + 13x + 36 = 0
( X+4 ) ( X+9 ) =0
X+4=0 atau X+9=0
X= -4 X= -9