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2x 2 4x 1 0
2x 2 4x 1 0 pictures 5
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2x 2 4x 1 0
x 3 2x 2 4x 1 0
solve 2x 2 4x 1 0
2x^2+4x-1 u003d 0 factorise
2x 2 4x 1 0 factor
2x 2 4x 1 0 discriminant
2x 2 4x 1 0 quadratic equation
2x 2 4x 1 0 solve for x
2x 2 4x 1 0 quadratic formula
2x 2 4x 1 0 completing the square
2x 2 4x 1 0
