Question

N=2d²-5 when d=-2 what does n=?

Answer 1

Explanation:

Substitute d=-2 into the equation:

`n = 2( - 2)^(2) - 5`

Include the exponent:

`n = 2(4) - 5`

Multiply:

`n = 8 - 5`

Subtract:

`n = 3`