More on operations on rational expressions.

1. Restrictions!
Absolutely Nothing is Allowed Here
by flickr user Vicki & Chuck Rogers

2. Operations on Rational Expressions
... follow the same rules as operations on fractions (rational numbers)
(alt
hou
I Addition and Subtraction a quot;re gh
nym ally we
ore quot; su don
• find a common denominator in h btra 't
• add or subtract as required igh ct
sch
(watch your signs!) ool
)

3. Operations on Rational Expressions
... follow the same rules as operations on fractions (rational numbers)
II Mulitplication Re
me
the mb
• factor and reduce to simplest form wit num er!
h a era Any f
• multiply numerators, then denominators den ny tor act
om fact can or in
ina or i
tor n th reduc
e e
factor out a -1

4. DIFFERENCE OF SQUARES
PERFECT SQUARES
DISTRIBUTIVE LAW

5. not something you
would typically do
not something you
would typically do

6. Operations on Rational Expressions
... follow the same rules as operations on fractions (rational numbers)
III Division
of h ere!)
• multiply the numerator by the reciprocal TS ions
of the denominator (LO trict
res