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Verified answer
Misal bilangan itu = x{( x . 3) - 3}² = 225
3x - 3 = √225
3x - 3 = 15
3x = 15 + 3
3x = 18
x = 6
jadi bilangan itu = 6
Jawaban :
Bilangan tersebut = x
Maka persamaannya adalah
(3x - 3)² = 225
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