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What are rational expressions?

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Rational expressions are fractions where the numerator and the denominator are both polynomials.

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What is the restriction in a rational expression?

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Restrictions are values of the variable that make the denominator zero, which are not allowed in the expression.

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What is the process for adding rational expressions?

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To add rational expressions, find a common denominator, rewrite each expression, and then combine the numerators.

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How do you subtract rational expressions?

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To subtract rational expressions, find a common denominator, rewrite each expression, and then subtract the numerators.

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What is the first step in dividing rational expressions?

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The first step is to multiply by the reciprocal of the second expression.

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