1
Expand   ( + )
1
2
Expand   ( + )
1
3
Expand   ( + )
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2
4
Expand   ( + )
Use [email protected] to show x²
2
5
Expand and simplify
( + ) - ( - )
2
6
Expand and simplify
( + ) - ( - )
2
7
Factorise   
2
8
Factorise   
2
9
Factorise   
2