Question

What is the value of the expression below when c=5 and d=4 ?

6c^2 - 5d = 8

48
B
79
C
138
888

Answer 1

Got the same answer

Answer 2

138

Explanation:

6(52)−(5)(4)+8

=(6)(25)−(5)(4)+8

=150−(5)(4)+8

=150−20+8

=130+8

=138