Question

Using laws of exponents, explain how to simplify (x-2)3. You may indicate an exponent in your answer with ^. For example, 3x2 as 3x^2. (Site 2)

Answer 1

`(x-3)^3`

Using the following rule:

`(a-b)^3=a^3-3a^2b+3ab^2-b^3`

Therefore:

`(x-3)^3=x^3-9x^2+27x-27`