H Maths GCSE Day 6

Day 6 of revision 0:00 1) simple Completing the Square on this one. 3:00 2) expand double bracket SURDS 7:41 3) Rationalise the denominator - easy 9:31 4) Hard SURDS (rationalise the denominator with 2 terms in the denominator) 13:36 5) homework ps: any errors please us know! Good luck Please share - thank you.