Changing the Subject Advanced GCSE Maths

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This video is aimed at students studying GCSE Maths higher tier. In this video I look at some harder changing the subject questions. Especially those involving factorising. For practice questions please visit:

Music: Scarlet Fire
Artist: Otis McDonald
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you made a mistake in the one about making k the subject u changed the - 11 to +11and you didn't change it anywhere to the other side

monarcz-_-