9.4 Multiplying

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9.4 Multiplying Dividing Rational Expressions
Obj to use factoring to simplify rational
expressions
Do Now Factor completely. Look for GCF first!

• 3x2-8x4
• 2. 11x2-99

• 3. x32x2-4x-8
• 4. 2x2-x-15

(3x-2)(x-2)
(x-2)(x2)2
(2x5)(x-3)
11(x3)(x-3)
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Ex 1 Simplify.
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More practice
Hint Factor everything !
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Even more practice
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Whats that? You say you want MORE?
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The last example
Division is the SAME as Multiplying by the
RECIPROCAL
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SIKE!! This is the LAST one