Here we will show you how to calculate the cube root of 8 minus the cube root of 85. In other words, we will calculate ∛8 - ∛85.
To calculate the cube root of 8 minus the cube root of 85, we will first take the cube root of each number and then find the difference. Here is the math and the answer:
∛8 = 2
∛85 ≈ 4.3968
2 - 4.3968 = -2.3968
∛8 - ∛85 ≈ -2.3968
For your convenience, we have also included the answer to the cube root of 8 minus the cube root of 85 in its simplest radical form:
2 - ∛85
Subtracting Cube Roots
Use the tool below to subtract another set of cube roots.
Cube root of 8 minus cube root of 86
Go here for another cube root subtraction problem that you may find interesting.