
Home > CAAC > Chapter 11 > Lesson 11.1.5 > Problem 11-56
11-56.
The denominator cannot be equal to zero. What value(s) of x would make the denominator zero?
( 2x + 1 )( x + 5 ) = 0
2x2 + 11x + 5 = 0
x ≠ −0.5 or −5
Factor both the numerator and the denominator.
Look for 1.