Question

QUICK MATH QUESTION! Help please :) :)

Answer 1

In order to evaluate this expression, we plug in 3 where ever we see n.  The equation becomes:

$3^{2}-7*3-4=9-21-4=-16$

So, this expression is equal to -16.

Answer 2

(3)^2 - 7(3) - 4


9 - 21 - 4 


-16