Precalculus Examples

$\ln (x + 3) = 3 \ln (x)$

Step 1

Simplify $3 \ln (x)$ by moving $3$ inside the logarithm.

$\ln (x + 3) = \ln (x^{3})$

Step 2

Graph each side of the equation. The solution is the x-value of the point of intersection.

$x \approx 1.67169988$

Step 3