Here we will show you how to calculate the cube root of 9 minus the cube root of 27. In other words, we will calculate ∛9 - ∛27.
To calculate the cube root of 9 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:
∛9 ≈ 2.0801
∛27 = 3
2.0801 - 3 = -0.9199
∛9 - ∛27 ≈ -0.9199
For your convenience, we have also included the answer to the cube root of 9 minus the cube root of 27 in its simplest radical form:
∛9 - 3
Subtracting Cube Roots
Use the tool below to subtract another set of cube roots.
Cube root of 9 minus cube root of 28
Go here for another cube root subtraction problem that you may find interesting.