Here we will show you how to calculate the cube root of 8 minus the cube root of 42. In other words, we will calculate ∛8 - ∛42.
To calculate the cube root of 8 minus the cube root of 42, we will first take the cube root of each number and then find the difference. Here is the math and the answer:
∛8 = 2
∛42 ≈ 3.476
2 - 3.476 = -1.476
∛8 - ∛42 ≈ -1.476
For your convenience, we have also included the answer to the cube root of 8 minus the cube root of 42 in its simplest radical form:
2 - ∛42
Subtracting Cube Roots
Use the tool below to subtract another set of cube roots.
Cube root of 8 minus cube root of 43
Go here for another cube root subtraction problem that you may find interesting.