Question

Simplify: (c+1) (c-7)

Answer 1

`c^2-6c-7`

Explanation:

`(c+1) (c-7)`

Apply the FOIL mothed.

`cc+c\left(-7\right)+1\cdot \:c+1\cdot \left(-7\right)`

`c^2-6c-7`

Answer 2

(c+1) (c-7) = cc - 7c + c - 7 = c^2 - 7c - 7

So the simplified form of (c+1) (c-7) is c^2 - 7c - 7