Răspuns:
log4(8x-3)= log2²(8x-3)= ½log2(8x-3)
log2(6x-1/ 5x+2) = log2(6x-1) - log2(5x+2)
log8(x²-16)= log2³(x²-16)= ⅓log2 (x²-16)
logx (x²-4x+3)= ln(x²-4x+3) / ln
