Here we will show you how to calculate the cube root of 9 minus the cube root of 90. In other words, we will calculate ∛9 - ∛90.
To calculate the cube root of 9 minus the cube root of 90, 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
∛90 ≈ 4.4814
2.0801 - 4.4814 = -2.4013
∛9 - ∛90 ≈ -2.4013
For your convenience, we have also included the answer to the cube root of 9 minus the cube root of 90 in its simplest radical form:
∛9 - ∛90
Subtracting Cube Roots
Use the tool below to subtract another set of cube roots.
Cube root of 9 minus cube root of 91
Go here for another cube root subtraction problem that you may find interesting.