### Home > A2C > Chapter 9 > Lesson 9.3.2 > Problem 9-160

9-160.

The graphs of *y* = log_{2}(*x* − 1) and *y* = *x*^{3} − 4*x* intersect at two points: (2, 0) and approximately (1.1187, −3.075). Use that information to solve log_{2}(*x* − 1) = *x*^{3} − 4*x*. Homework Help ✎

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

*x* = 2, *x* ≈ 1.1187