What is 2 log subscript 5 baseline (5 x cubed) + one-third log subscript 5 baseline (x squared + 6) written as a single logarithm? log subscript 5 baseline (25 x superscript 5 baseline) rootindex 3 startroot x squared + 6 endrot log subscript 5 baseline (25 x superscript 6 baseline) rootindex 3 startroot x squared + 6 endroot log subscript 5 baseline 25 x superscript 5 baseline + log subscript 5 baseline 2 + log one-third x squared (log subscript 5 baseline 25 + log subscript 5 baseline superscript 6 baseline) (log subscript 5 baseline rootindex 3 startroot x squared + 6 endroot).