Khan Academy Static

Factoring_quadratics_1

Learn how to factor quadratic expressions with a leading coefficient of 1. For example, factor x²+3x+2 as (x+1)(x+2).

Factoring_quadratics_Difference_of_squares

Learn how to factor quadratics that have the "difference of squares" form. For example, write x²-16 as (x+4)(x-4). Learn how to identify this form in more elaborate expressions. For example, write 4x²-49 as (2x+7)(2x-7).

Factoring_quadratics_Perfect_squares

Learn how to factor quadratics that have the "perfect square" form. For example, write x²+6x+9 as (x+3)². Learn how to identify these forms in more elaborate expressions. For example, write 4x²+28x+49 as (2x+7)².

Multiplying_binomials

Learn how to multiply monomials and binomials.

Factoring_quadratics_2

Learn how to factor quadratic expressions with a leading coefficient other than 1. For example, factor 2x²+7x+3 as (2x+1)(x+3).

Special_products_of_binomials

Learn about the special types of products of binomials: perfect squares and the difference of two squares. These will be very helpful once you tackle more advanced expressions in Algebra.

Factoring_polynomials_by_taking_common_factors

Learn how to take a common monomial factor out of a polynomial expression. For example, write 2x³+6x²+8x as (2x)(x²+3x+4).

Solving_quadratic_equations_by_factoring

In this tutorial, you'll learn some pretty elaborate ways of solving quadratic equations, by harnessing the mighty strength of algebra.

Adding_subtracting_polynomials

Learn how to add and subtract polynomial expressions with one variable.

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