Question

1. Find the values of the following expressions, when x = 5:
(a) 7x - 2
(b) 60 - 2x2
(c) x3 – 100​

Answer 1

Answer:

a. 33

b. 56

c. -85

Step-by-step explanation:

a.7x -2

=7*5-2

=35-2

=33

b. 60 - 2*2

=60-4

=56

c. x3-100

= 5*3-100

=15-100

= -85

Answer 2

Answer:

( a) 7x - 2

= (7×5) - 2

= 35- 2

= 33

( b) 60 - 2×2

= 60 - 4

= 56

( c) x3 - 100

= 5×3 - 100

= 15 - 100

= - 85

Answers = ( a) 33

= ( b) 56

= ( c) - 85