Jika x1 dan x2 memenuhi 4logx-xlog16=76

4 log 1612 Using the color(blue)law of logs color(red)(|bar(ul(color(white)(aa)color(black)(log_b a=nhArra=b^n)color(white)(aa)Rewrite log(16) log (16) as log(24) log (2 4). Expand log(24) log (2 4) by moving 4 4 outside the logarithm. Rewrite log(4) log (4) as log(22) log (2 2). Expand log(22) log (2 2) by moving