bentuk sederhana dari 3log7+2log40-3log63-2log5

3 log (7/63) + 2 log (40/5)
= 3 log (1/9) + 2log 8
-2 +3
=1

3log7+2log40-3log63-2log5

3log 7-3log 63 + 2log 40 -2log5

3log (7/63) + 2log (40/5)

3log (1/9) + 2log 8

3log (3 ^(-2)) + 2log(2^3)

-2 × 3log 3 + 3 x 2log 2

-2 + 3

1