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Mathematics
Kirsten Richards
23 June, 07:01
7^x^2=9^x
how do I solve this using logs
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Aydin Yates
23 June, 08:18
0
Apply lg on both sides.
lg7^x^2 = lg9^x
Bring the power forward.
x^2lg7 = xlg9
x^2/x = lg9/lg7
x = lg9/lg7 = 1.13
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