Question

What is the value of the expression 6c2−5d+8 when c=5 and d=4?1.

1. 48
2. 84
3. 122
4. 138

Answer 1

138 I believe

Step-by-step explanation:

If I understand correctly, you're asking about 6c^2-5d+8.

Substitute

6(5)^2-5(4)+8

6(25)-20+8

150-12=138 and there you are