Simplify. Enter the result as a single logarithm with a coefficient of 1. To enter the log, click in the answer cell, then click on the small yellow arrow on the right: Then click the Functions tab to access the log. If needed, you can change the base. Using the keyboard, you can also enter log3 (5x4) as log_3(5x^4). log (4x2) + log (1124)