Question

Problem #1
what values for x must be excluded in the following fraction?

(x+5)/(-1)

my answer i think its none

Problem #2

what value for x must be excluded in the following fraction?

(x-3)/(4x-5)(x+1)

this one i do not know


x can not equal 5/4 or -1. Each of these would make the denominator zero which is against all laws of mankind.

Answer 1

single