हल करना 3 ^ (3x) - 39 * 3 ^ (2x) + 351 * 3 ^ x - 729 = 0 | Equatix - Math Solver

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3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

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Question

$$3^{3x}-39\cdot3^{2x}+351\cdot3^{x}-729=0$$