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Max Foley
Mathematics
22 November, 22:57
7^x^2=9^x
how do I solve this using logs
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Claire Lamb
22 November, 23:24
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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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