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Year 10 were frustrating me a little with their simplification of surds and cancelling while using the quadratic formula. So I put together a quick reminder (should have been pre knowledge quiz stuff). Feel free to use.
11 March 2015 Edit: 16 May 2018
Shared by Douglas Marshall
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Thanks Simon - just what I needed for the same reason 😊 P.S. twitter works - that how I came here.