### Home > INT3 > Chapter 9 > Lesson 9.1.3 > Problem9-32

9-32.

The graphs of y = log2(x – 1) and y = x3 – 4x intersect at two points: (2, 0) and approximately (1.1187, –3.075). Use that information to determine the solutions to log2(x – 1) = x3 – 4x. Homework Help ✎

Look at the x-values of the points.

$x = 2, x \approx 1.1187$