by properties on logarithm we have
1) m*log(a) = log (am) .
2) log(a) +log(b)= log(ab)
3)
by applying first property ,to second and third term the expression becomes
now apply 3rd property to first two expression becomes
then apply third property again . it becomes
so this is answer
Rewrite the expressions as a single logarithm. log. x-3 -2 log.y-3log. x+1
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