Corbettmaths - This video explains how to complete the square and also how to solve quadratics using completing the square.
Practice Questions: [ Ссылка ]
Textbook Exercises: [ Ссылка ]
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Corbettmaths - This video explains how to complete the square and also how to solve quadratics using completing the square.
Practice Questions: [ Ссылка ]
Textbook Exercises: [ Ссылка ]