Answer :

gohan
c is the correct answer 
because phle to logatherim break ho ga us ke bad value ake solve kr do maine kr diya h ans is c 
manitkapoor2
[tex]1)log_5(2x+4)=2 \\ 5^2=2x+4 \\ x= \frac{21}{2} \\ 2) x^{2} -3x-10=0 \\ (x-5)(x-2)=0 \\ x=5,x=2 \\[/tex]
try others own ur own

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