Question

What the value of the expression `6c^2-5d+8` when `c=5` and `d=4`?

Answer 1

`6c^2 - 5d + 8 = 138`

Explanation:

You just put the values in the place of the unknowns/variables and calculate it:

`6 * 5^2 - 5 * 4 + 8 =>`
`6 * 5 * 5 - 20 + 8 =>`
`150 - 20 + 8 = 138`