How do i write the expression of: the square of the distance from point A to point B minus 81?

1 Answer
Jun 10, 2018

#d^2-81#

Explanation:

Let distance between Point A and Point B be d

"the square of the distance from point A to point B"
means the distance squared or #d^2#

"minus 81"
means that the distance between point A and point B has 81 subtracted from it or #d^2-81#