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4x 4x 1 2
4x 4x 1 2 pictures 5
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4x 4x 1 2
x 3 4x 2 1 4x 1 0
4x 2 4x 1 2x 1
x 3 4x 2 4x 1
4x 4 4x 2 1
4x 2 y 2 4x 1
factorise 4x 2 4x 1
4x 2 4x 1 factored
2 4x 2 )u003d 4x 12 x 1
4x 2 4x 1 0
4x 4x 1 2
