SOLUTION: please help me solve and explain this equation 2x^2+3xy-4y^2 when x=2 and y=4

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Question 469427: please help me solve and explain this equation 2x^2+3xy-4y^2 when x=2 and y=4

Answer by Tatiana_Stebko(1539)   (Show Source): You can put this solution on YOUR website!

Put x=2 and y=4

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