
Example: Find the value of x^{3} when x=2. Solution:Substituting x value in the given expression, we get 2^{3} = 2.2.2 = 8
Example: Find the value of x^{3} when x=3. Importance of enclosing the substituted value in parenthesis
Example: Evaluate 5  x^{2} for x=2
Solution 2: Substituting x value in the given expression, without parentheses Directions: Find the value of given expressions. Also write at least ten examples of your own. 