Or

Author:
Charles Fogel

Learning how to simplify radical expressions and solve equations with square roots and other radicals in them.

How to do arithmetic with polynomials and how to factor them.

Tutorial

Sequences and series part 1

Source: khanacademy.org

Source: khanacademy.org

Difference of two cubes and how to factor

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Sum of two cubes and how to factor

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Factoring perfect square trinomials

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The difference of two squares and how to factor one.

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Finding and factoring out the GCF in a polynomial

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Factoring quadratics

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Second video on factoring polynomials.

Source: khanacademy.org

Applying quadratic functions

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How to multiply two polynomials, with exponents.

Source: khanacademy.org

How to add and subtract polynomials

Source: khanacademy.org

Solving systems of linear inequalities

Source: Khanacademy.org

Second lesson on linear inequalities

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Solving system of linear inequalitiies

Source: Khanacademy.org

The substitution method.

Source: Khanacademy.org

The elimination technique

Source: Khanacademy.org

Solving systems of equations. Introduction

Source: Khanacademy.org