Question

Evaluate the expression 5k2 - 7k when k = 3

Answer 1

24

Explanation:

5(3)^2 - 7(3)

5(9) - 21

45 - 21

24

Answer 2

24

Explanation:

In this question, you have to solve by plugging in the value to the "k" variable and solve.

Solve:

5(3)^2 - 7(3)

3^2 = 9

5(9) - 7(3)

45 - 7(3)

45 - 21 = 24

Your final answer would be 24.