### Home > CCA2 > Chapter 8 > Lesson 8.3.2 > Problem8-160

8-160.

The graphs of $y = \log_2(x - 1)$ and $y = x^3 − 4x$ intersect at two points: $(2, 0)$ and approximately $(1.1187, -3.075)$. Use that information to solve $\log_2(x - 1) = x^3 - 4x$.

Look at the $x$-values of the points.

$x=2, x≈1.1187$