Find the values.
(–5)3
Here the number is negative.
So during multiplication care has to be taken of the sign.
The basic rules are:
Negative Number × Negative Number = Positive
Negative Number × Positive Number = Negative Number
Positive Number × Positive Number = Positive Number
The cube of -5 can be written as follows:
⟹ -5 × -5 × -5
⟹ 25 × -5
= -125
Hence (-5)3 = -125