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Find all solutions to the equation (x - 1)^2 = -4 + 4x.

 Mar 7, 2022
 #3
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(x - 1)^2 = -4 + 4x.          expand L side

x^2 -2x +1 = -4 + 4x        simplify

x^2 -6x +5 = 0                factor

(x-1)(x-5) = 0

x = 1 and 5

 Mar 7, 2022

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