(√x-1)^2=8-28 pls explain in detail
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(√x - 1 )² - 8 = 28
(√x-1)² = 36
√x = 6 + 1
√x = 7
x = 49
(√x-1)² = 36
√x = 6 + 1
√x = 7
x = 49
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