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4x x 2 4
4x x 2 4 pictures 5
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4x x 2 4
factorise x 2 4x 4
factor x 2 4x 4
x 3 4x x 2 4 0
f x )u003d 4x x 2 4
y 4x x 2 4
2x 2 4x x 2 4
sin 1 4x x 2 4
x 3 4x 2 4x x 2 4
4x x 2 4 0
4x x 2 4
