`log_7 (x^2) = log_3 (9)`
We know that;
`log_a(b^2) = 2log_a(b)`
`log_7 (x^2) = log_3 (3^2)`
`2log_7 x = 2 log_3 3`
`log_7 x= 1`
There for x=7. The answer is x = 7
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