Completing the Square - Applications (1 of 3) | ExamSolutions

Completing the Square can be applied to showing that a quadratic expression is positive or negative for all real values of x as this video demonstrates. Check out the full series here COMPLETING THE SQUARE : https://www.examsolutions.net/maths/completing-the-square/ YOUTUBE CHANNEL at https://www.youtube.com/ExamSolutions EXAMSOLUTIONS WEBSITE at https://www.examsolutions.net/ where you will have access to all playlists covering pure maths, statistics and mechanics. https://www.facebook.com/examsolutions.net/ NEW INSTAGRAM: https://www.instagram.com/examsolutionsguy/ TWITTER: https://twitter.com/ExamSolutions THE BEST THANK YOU: https://www.examsolutions.net/donation/