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Sifat Nilai Mutlak
|x|=√(x)²
|3-x|=1
√(3-x)²=1
(3-x)²=1²
(9-6x+x²)=1
(x²-6x+9-1=0)
(x²-6x+8=0)
(x-4)(x-2)=0
x-4=0
x=4
atau
x-2=0
x=2
HP (x=4 atau x=2)
Demikian Semoga Membantu dan Bermanfaat!
hp :{ -9 , 15 }
semoga membantu