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1 x 2x 2 0
1 x 2x 2 0 pictures 5
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1 x 2x 2 0
2x 2 2sqrt 2 * x 1 0
x 2 4x 4 2x 2 x 1 0
2 2x 1 5 2 x )+ 2 0
roots of x 2 2x 1 0
2x 2 x 1 0 solve
2x 2 x 1 0 quadratic formula
x 2 2x 1 0 solutions
2x 3 2 x 1 2 0
2x 2 x 1 8 0
1 x 2x 2 0
