simplify and state any excluded values c-5/c^2-25

1 answer

To simplify the expression c-5/c^2-25, first factor the denominator:

c-5/(c+5)(c-5)

Next, notice that the (c-5) terms in the numerator and denominator can cancel out. This leaves us with:

1/(c+5)

The excluded value is c = -5.