Question

How do we express one-half of the difference of a number cubed and one?

Answer 1

Given:

1/2 of the number

The number cubed = x³

The number = 1

To Find:

An expression of one half of the difference of the number cubed and one

Solution:

The cubed number is = x³

The number in the difference is 1.

Thus,

One half of the difference of the number cubed and one will be expressed as - 1/2x³ - 1

= x³ - 2/2

Answer : Thus, the one half of the difference of the number cubed and one is equal to x³ - 2/2