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diba foil yon kaya yong first,12x times 4x equals 12x squared .outer,3x times 5 y equals 15xy. inner, 2y times 4x equals 8xy. last, 2y times 5y equals 10y squared . tapos icombined ang 15xy at 8xy kasi same variable siya kaya naging 12x squared plus 23xy plus 18y squared

sorry di ko ma i numerical form hindi ko kasi alam kung papano