tolong bantu jawab dong pake cara
Matematika
marcella2953
Pertanyaan
tolong bantu jawab dong pake cara
1 Jawaban
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1. Jawaban ilhanshazadalip04klu
4x²-9=4x²+4x-15
(-9)-4x+15=0
4x-6=0
4x=6
x=6/4