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1) [tex] (2^x - 2)^2 = (2^x +2)(1+\sqrt{2^x - 1})^2 [/tex]
2) [tex] 5.3^{2x-1} - 7.3^{x-1} + \sqrt{1 - 6.3^x + 9^{x+1} } = 0 [/tex]
2) [tex] 5.3^{2x-1} - 7.3^{x-1} + \sqrt{1 - 6.3^x + 9^{x+1} } = 0 [/tex]
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