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OpenStudy (anonymous):
Solve for x: (2x - 4)^2 = 1 Can someone please just refresh my memory on how to solve something like this, completely forgot how you would.
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OpenStudy (anonymous):
something, when squared, is equal to 1 (-1)^2 = 1 and (1)^2 = 1 therefore, the innards must equal -1 or 1 2x - 4 = 1 or 2x - 4 = -1
OpenStudy (anonymous):
Thank You!(:
OpenStudy (anonymous):
youre welcome
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