1. 2*3^(x+3)-5*3^(x-2)=1443 2. 7*4^x^2-9*14^x^2+2*49^x^2=0 3. log(2)...

Question

1. 2*3^(x+3)-5*3^(x-2)=1443
2. 7*4^x^2-9*14^x^2+2*49^x^2=0
3. log(2) (5-6x)=log(2)5+log(2)6

Answer 1

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