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4 6x 2 1
4 6x 2 1 pictures 5
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4 6x 2 1
2x 4 6x 2 1
3x 4 6x 2 1
factor 9x^4+6x^2+1
5x 4 6x 2 1
factorise x 4 6x 2 1
9x 4 6x 2 1
x 4 6x 2 1 0
x 4 6x 2 1
4 6x 2 1
4 6x 2 )+ 1 3 8x 3
