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4x 2 4x 1
4x 2 4x 1 pictures 5
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4x 2 4x 1
4x 2 4x 1 16
4x 2 4x 1 x 2
4x 2 4x 1 0 complete the square
4x 2 4x 1 factorise
4x 2 4x 1 0 solution
4x 2 4x 1 find the zeros
4x 2 4x 1 0 quadratic formula
4x 2 4x 1 factored
4x 2 4x 1 0
4x 2 4x 1
