10.2 Multiplying Rational Expressions

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10.2 Multiplying Rational Expressions

• Goal to multiply rational expressions

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Cross canceling

• If we factor out both numerators and denominators
  we can cross cancel and the multiply straight
  across

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steps

1. Factor numerators and denominators
2. Cross cancel
3. Multiply numerators
4. Multiply denominators
5. Simplify if needed

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Multiply. Simplify the product.The long way
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Multiply. Simplify the product.The short way
a2
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Multiply. Simplify the product.
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Multiply. Simplify the product.
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5
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Multiply. Simplify the product.
a2
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5
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Multiply. Simplify the product.
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Multiply. Simplify the product.
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Multiply. Simplify the product.
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Multiply. Simplify the product.
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AssignmentPage 4378-38 even