Mathematics, 03.11.2020 22:00 williamwu2750

Given that 2x + y = 4 and x + 2y = 5, find 5x^2 + 8xy + 5y^2

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Given that 2x + y = 4 and x + 2y = 5, find 5x^2 + 8xy + 5y^2...