5m Zen
2x2 1 5x
2x2 1 5x pictures 5
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2x2 1 5x
11 u2212 5x 2x2 1 x
y 2x2 5x 1
2x2 5x 6 1 12
2x2 5x 3 2x 1
solve 5x 1 2x2 9x
2x2 u221A 5x 1 0
2x2 5x 1 0
7 2x2 1 )u003d 5x
2x2 1 5x in standard form
2x2 1 5x
