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OpenStudy (anonymous):
2(x-1)^2-3 solve.
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OpenStudy (anonymous):
2(x-1)²-3=0 2(x²-2x+1)-3=0 2x² - 4x + 2 - 3 = 0 2x² - 4x - 1 = 0 x' = 4 + sqrt24 / 4 x'' = 4 - sqrt24 / 4 So, x' = 4 + 2sqrt6 / 4 And x'' = 4 - 2sqrt6 / 4 Then we have x = +- 2sqrt6 / 2
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