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2x x2 1 0
2x x2 1 0 pictures 5
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2x x2 1 0
x2 2x 1 0 factoring
x2 2x 1 0 then x3 1 x3
x4 2x3 x2 2x 1 0
x2 2x 1 0 discriminant
x2 2x 3 x2 1 0
x2 2x 1 0 solution
x2 x 9 )( 2x 1 )u003d 0
x2 2x 1 0 solve
x2 2x 1 0 quadratic formula
2x x2 1 0
