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Solve 4x2
solve 4x2 25 0
solve 4x2-5u003d0 using the quadratic formula
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solve 4x2
solve 4x2 rubiku0026#39;s cube
solve 4x2 2(a2+b2)x+a2b2u003d0 by quadratic formula
solve 4x2 u003d 32