Penjelasan dengan langkah-langkah:
(x-2)⁴ = 81
(x-2)⁴ = (±3)⁴
x - 2 = ±3
x - 2 + 2 = 3 + 2
x = 5
atau
x - 2 + 2 = -3 + 2
x = -1
Jadi nilai x = 5 atau x = -1
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Penjelasan dengan langkah-langkah:
(x-2)⁴ = 81
(x-2)⁴ = (±3)⁴
x - 2 = ±3
x - 2 + 2 = 3 + 2
x = 5
atau
x - 2 + 2 = -3 + 2
x = -1
Jadi nilai x = 5 atau x = -1