Add, Subtract and Multiply Rational Expressions

Alison has factored the numerators and denominators and multiplied across.  She must be…

• Adding or Subtracting Rational Expressions

• Multiplying Rational Expressions

• Dividing Rational Expressions

Simplify and state the excluded values.

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• D

How can you tell when a rational expression is in simplest form?

• When you do not need a common denominator to add/subtract.

• When the numerator and denominator are in factored form.

• When there are no restrictions on the variables.

• The numerator and denominator have no common factors.

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