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4x2 4x
4x2 4x pictures 5
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4x2 4x
4x2 4x 3 0
4x2 4x 3 find zeros
4x2 4x
4x2 4x 1 find the zeros
4x2 4x 1 0 quadratic formula
4x2 4x 15
4x2 4x 1 0
4x2 4x 1
4x2 4x 1 factorise
4x2 4x 3
