Khan Academy Static

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.

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3336_Factoring_perfect_squares_missing_values.html

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3337_Factoring_perfect_squares_shared_factors.html

3334_Factoring_perfect_squares_common_factor.html