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2x 9 2 4
2x 9 2 4 pictures 5
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2x 9 2 4
5 2 2x 4 u003d 9
4 x 5 )u003d 2 9 2x
2 2x 4 9 2 x )u003d 0
x 4 2x 2 9 factorise
1 2 2x 4 )- 9
4x 5 4 2x 9 2
2x 5 3x 4 9 2
4 2 3 2x 9
2x 2 4 3x 9
2x 9 2 4
