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X2 4x
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X2 4x
x2 4x 12
x2 4x
x2 4x 5
x2 4x 3 0
x2 4x 4
x2 4x 3
x2 4x 4 0 quadratic formula
x2 4x 8 quadratic equation
x2 4x 4 solution
x2 4x answer
