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X 2 8x 1 0
X 2 8x 1 0 pictures 5
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X 2 8x 1 0
1 8x 2 x 16 0
12x 3 8x 2 x 1 0
solve x 2 8x 1 0
x 2 8x 1 0 quadratic equation
x 2 8x 1 0 factorise
x 2 8x 1 0 discriminant
x 2 8x 1 0 factor
x 2 8x 1 0 quadratic formula
x 2 8x 1 0 complete the square
x 2 8x 1 0
