2.xlog3 +3.xlog2-xlog18=-2

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2.x㏒3 + 3. x㏒2 – x㏒18 =-2
2.x㏒3 + 3.x㏒2 – x㏒9*xlog2 = -2
2.3. x㏒3 + x㏒2 – x log 3² + x㏒2 = -2
2.3.2. x㏒3 – x㏒3 + x㏒2+ x㏒2 = -2
7+2 . x㏒4 = 0
9. x㏒4