1.
If the value of the expression x²  5x + k for x = 0 is 5, then the value of k is 
2.
Find the value of the expression a³ + b³ + c³  3abc for a = 2, b = 3, c = 4 
3.
Find the value of the expression 3p + 7 for p = -2
4.
Find the value of the expression x + 2 for x = -2
5.
Find the value of the expression z³  2(z  10) for z = 10
6.
Find the value of the expression 3x + 5 (x 2) for x = 2
7.
Find the value of the expression a² + b² for a = 1, b = 0 
8.
Find the value of the expression a² + ab + 1 for a = 0, b = 1 
9.
Find the value of the expression a²  b² for a = 2, b = 1 
 
10.
Find the value of the expression a²  2ab + b² for a = 1, b = 1