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• The only immediately obvious common factor is 4. So you have 4 (15x^2 - 16xy + 15y^2) Since no factorization into binomials comes to mind, you can check via the quadratic formula: let y = 1 for a moment and you have 15 x^2 - 16 x + 15 If this …

  in how do you factor 60x^2-64xy-60y^2? Comment by selina-evans_60bcd0cb8bc85 June 2021