Answer:
The answer to the expression is 16.
Step-by-step explanation:
So, when c = -7, first plug in -7 to every c variable in the expression.
[tex](-7)^{2} + 4(-7) -5\\[/tex]
Now simplify:
49 - 28 - 5
16
When c = -7, the expression evaluates to 16.