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X 4 2x 2 0
X 4 2x 2 0 pictures 5
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X 4 2x 2 0
2 2x 5 2 x )+ 4 0
2 2x 4 9 2 x )u003d 0
x 2 u221A 2x 4 0
2x 4 x 3 11x 2 x 2 0
x 2 2x 4 0 factor
x 4 2x 2 63 0
solve 2x 2 x 4 0
2x 2 x 4 0 by factorisation
2 2x 2 x 3 2 4 0
x 4 2x 2 0
