Answer Key HW #28 p.248 & 249 #s 1 -23 (odds)

2

For the fraction to be undefined x = -2

For the fraction to be undefined x = 3

opp

opp

-1

2

3

-6

-5-6 1

-6n

+12n2

-3

n2n +1

-3

-20

-8-10 2

-10n

+2n4n2

-5

2n2n +1

-5

Numerator factors Denominator factors

-60

+712 -5

-5x

+12x6x2

-10

6xx +2

-5

Denominator factors

Rewrite the numerator in descending order

Factor out a -1 to make the a2 positive