Polynomial division
8 videos
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Algebra 2 - What Is Polynomial Division?
Learn the concept of polynomial division as the reverse of multiplication. Understand how dividing polynomials works like regular division with numbers.
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Algebra 2 - Dividing Polynomials by Monomials
Learn how to divide polynomials by monomials by splitting each term and simplifying separately. Includes step-by-step example with exponent rules.
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Algebra 2 - How Polynomial Long Division Works
Learn polynomial long division using the same four-step process as regular division: divide, multiply, subtract, bring down. Example shows dividing x²+5x+6 by x+2.
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Algebra 2 - Long Division with Remainders
Learn polynomial long division by dividing 2x²+7x+9 by x+2, resulting in quotient 2x+3 with remainder 3. Understand how to express remainders as fractions.
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Algebra 2 - Dividing Higher-Degree Polynomials (and Missing Terms)
Learn how to divide polynomials with missing terms using placeholders. This tutorial demonstrates long division with x³ + 5x - 2 divided by x + 3.
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Algebra 2 - Factoring Polynomials Using Division
Learn how to factor a cubic polynomial completely when given one factor. Divide by the known factor, then factor the resulting quotient to find all linear factors.
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Algebra 2 - The Polynomial Remainder Theorem
Learn the Polynomial Remainder Theorem, a quick shortcut to find remainders without long division. Discover how plugging in a value instantly gives you the answer.
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Algebra 2 - Using the Remainder Theorem to Find Factors and Coefficients
Learn the Factor Theorem: check if x-a is a polynomial factor by evaluating p(a). If p(a)=0, it's a factor—no long division needed!