請教高手們幾道數學題

1. log5(2x) + 3 = 4x^2 - 20x + 29

2. log(2^2x+4) = 1 + 2log(2^x)

3. tan(3log2(x)-12)sec(3log2(x)-12) = 2tan(3log2(x)-12)

Solve x

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