Answer:
x = 1 ± 5
Explanation:
given
(x - 1)² = 50 ( take square root of both sides )
= ± , that is
x - 1 = ± = ± = ± ( × ) = ± 5
now add 1 to both sides
solutions are x = 1 + 5 , x = 1 - 5
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