Multiplying and Dividing Rational Expressions
to multiply: factor, then reduce common factors
Ex. 1 Ex. 2
Ex. 3
x+2
x­2
x2­4
x2+x­2
x2+6x+8
x2+4x+3
m2­10m+9
m2­1
x+3
x+2
m+4
m ­5m­36
2
1
to divide: flip the second fraction (reciprocal), then factor, and reduce common factors
Ex. 4
x­2
x+1
Ex. 5
x2­25
x+4
x2+3x­10
x­3
x2­10x +25
3x+12
2