Answer:
c^2 + 3c - 40
Step-by-step explanation:
Here we are finding the product of (C+8) and (C-5). We use the FOIL method to expand this (multiplying in the order of First, Outer, Inner, Last).
(c + 8) ( c - 5)
c * c is c ^2 due to an unknown variable.
C * 8 is 8c
c * -5 is -5c
8 * -5 is -40
Now, we combine like-factors and end up with;
c^2 + 3c -40
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