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9 x square 4
9 x square 4 pictures 5
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9 x square 4
4 x square 12 x 9 0
4 x square 12 x 9
factorise 9 x square 4
9 x square 4 x minus 13
9 x square 4 y square 12 xy
9 x square 4 y square is equal to 36
9 x square 4 0
9 x square 4
9 x square 4 y 2 x square
9 x square 4 y square
