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15 2x x2 0
15 2x x2 0 pictures 5
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15 2x x2 0
x2-2x-15u003d0 discriminant
x2 2x 15 0 kuadrat sempurna
solve x2 2x 15 0
x2 2x 15 0 quadratic equation
x2 2x 15 0 quadratic inequality
x2 2x 15 0 factoring
x2 2x 15 0 factorizacion
x2 2x 15 0 solution
x2 2x 15 0 quadratic formula
15 2x x2 0
