Solving a Quadratic Equation

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The first two steps for solving the equation $2(x-3)^2 = 8$ are shown below.

What are the solutions for $x$ ?

$x = 2 \text{ and } x = 4$

$x = 5$

$x = -1 \text{ and } x = 7$

$x = 1 \text{ and } x = 5$

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