Edexcel GCSE Maths June 2018 Higher Paper 1 - Non Calculator (FULL WORKED SOLUTIONS)

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AITutor's resident tutor Patrick smashes out the solutions for Edexcel GCSE Maths June 2018 Higher Paper 1, the non calculator paper.
Intro: 00:00
Question 1: 00:52
Question 2: 05:57
Question 3: 08:05
Question 4: 11:06
Question 5: 14:47
Question 6: 18:52
Question 7: 24:44
Question 8: 30:31
Question 9: 34:46
Question 10: 36:38
Question 11: 39:58
Question 12: 43:11
Question 13: 47:16
Question 14: 49:30
Question 15: 53:23
Question 16: 55:57
Question 17: 59:11
Question 18: 01:01:59
Question 19: 01:03:46
Question 20: 01:08:31

[@tpiano1165]

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[@ratofalady8125]

for q20 it doesnt make sense that 6n is always greater than nsquared + 5 cause like the bottom could still be positive even if it was smaller right?? because idk could be 3/2?

[@t_c7334]

I really loved this video thank you so much! (I wonder if you could add a laser to ur mouse cos sometimes it’s quite hard to follow what exactly you’re pointing at.)