2log4 x 3log9 + 5log25

2log4=2log2pangkat2=2
3log9=3log3pangkat2=2
5log25=5log5pangkat2=2
==>2log4×3log9+5log25=2×2+2=6

2 log 4 X 3 log 9 + 5 log 25
=2 X 2 + 2
=4 + 2
=6