Here we will show you how to calculate the cube root of 9 minus the cube root of 18. In other words, we will calculate ∛9 - ∛18.
To calculate the cube root of 9 minus the cube root of 18, 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
∛18 ≈ 2.6207
2.0801 - 2.6207 = -0.5406
∛9 - ∛18 ≈ -0.5406
For your convenience, we have also included the answer to the cube root of 9 minus the cube root of 18 in its simplest radical form:
∛9 - ∛18
Subtracting Cube Roots
Use the tool below to subtract another set of cube roots.
Cube root of 9 minus cube root of 19
Go here for another cube root subtraction problem that you may find interesting.