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What is a rational expression?

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A rational expression is a fraction where both the numerator and the denominator are polynomials.

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How do you simplify a rational expression?

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To simplify a rational expression, factor both the numerator and the denominator, then cancel any common factors.

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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 divisor.

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What is the process of multiplying rational expressions?

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To multiply rational expressions, multiply the numerators together and the denominators together, then simplify.

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What does it mean to factor a polynomial?

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Factoring a polynomial means expressing it as a product of its factors.

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What is the significance of finding common factors in rational expressions?

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Finding common factors allows for simplification, making calculations easier.

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