Here we will show you how to calculate the cube root of 8 minus the cube root of 27. In other words, we will calculate ∛8 - ∛27.
To calculate the cube root of 8 minus the cube root of 27, we will first take the cube root of each number and then find the difference. Here is the math and the answer:
∛8 = 2
∛27 = 3
2 - 3 = -1
∛8 - ∛27 = -1
For your convenience, we have also included the answer to the cube root of 8 minus the cube root of 27 in its simplest radical form:
-1
Subtracting Cube Roots
Use the tool below to subtract another set of cube roots.
Cube root of 8 minus cube root of 28
Go here for another cube root subtraction problem that you may find interesting.