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2x x 4 0
2x x 4 0 pictures 5
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2x x 4 0
2x 2 x 4 0 completing the square
2x 2 x 4 0 by factorisation
x 4 2x 2 3 0
2x 3y 4 0 x 5y 11
x 2 2x 4 0
3 2x )( x 4 )u003d 0
solve 2x x 4 0
1 2x )( x 4 )u003d 0
2x x 4 0 by factorisation
2x x 4 0
